Hitting the open road in your RV is all about freedom, adventure, and making memories. But let’s be real, nobody wants to breathe stuffy, dusty air while enjoying their home on wheels! That’s where a clean air filter for your Dometic RV air conditioner comes into play. It’s an often-overlooked but absolutely crucial part of maintaining a comfortable and healthy environment inside your camper.
Your Dometic AC unit works hard, pulling in air from your RV’s interior to cool it down. Along with that air comes dust, pollen, pet dander, and all sorts of tiny particles. Without a fresh filter, these nasties get recirculated, potentially triggering allergies, impacting air quality, and even reducing the efficiency of your AC unit. Regularly performing a Dometic RV air conditioner filter replacement isn’t just a suggestion; it’s an essential bit of RV maintenance that keeps your air fresh, your AC running smoothly, and your travels enjoyable.
Choosing the right replacement can feel a bit overwhelming with so many options out there. But don’t sweat it! We’ve scoured the market to bring you 10 of the best Dometic RV air conditioner filter replacement options available. We’ll break down what makes each one stand out, so you can pick the perfect fit for your rig and start breathing easier on your next adventure.
Why Dometic RV AC Filter Replacement is Crucial for Your Travels
Think of your RV AC filter as the lungs of your Dometic air conditioner. It traps airborne particles before they can enter the system, protecting both your health and your appliance. Over time, these filters get clogged with debris, which can lead to:
- Reduced Airflow: A dirty filter restricts air, making your AC work harder and less efficiently.
- Poor Air Quality: Clogged filters can’t trap new particles, leading to dustier, allergen-filled air inside your RV.
- AC System Strain: An overworked AC unit can lead to premature wear and tear, costly repairs, and higher energy consumption.
- Unpleasant Odors: Filters can accumulate mildew or trapped particles that cause stale or musty smells.
A simple Dometic RV air conditioner filter replacement every few months (or more often depending on use and conditions) is a small investment that pays huge dividends in comfort, health, and AC longevity.
The Top 10 Dometic RV Air Conditioner Filter Replacement Options
Here’s our detailed look at the best filters to keep your RV air crisp and clean.
1. Premium RV AC Filter Replacement – Triple-Stage Air Filters…

This triple-stage RV air filter goes above and beyond standard filtration, offering a robust defense against common RV airborne irritants. Its multi-layered design is perfect for those who prioritize superior air quality, especially if you spend a lot of time in dusty environments or travel with pets. The silver-reinforced pre-filter adds an extra layer of durability, making it a standout choice for heavy users.
- Key Features:
- 3-Layer Advanced RV air conditioner filter catches dust, pet hair, lint, and pollen.
- Compatible with Dometic Duo Therm filters (3313107.103, 3105012.003).
- Silver-reinforced pre-filter layer for durability and extended life.
- Polyester Fine Filter Core captures smaller particles.
- Carbon layer for odor absorption and a more pleasant interior atmosphere.
- Protects AC components from debris buildup.
- U.S. designed with SDS-documented materials for safety transparency.
- Pros:
- Excellent multi-stage filtration, including carbon for odors.
- Durable design, suitable for heavy use.
- Specifically engineered for RV travelers.
- Protects AC unit from internal damage.
- Cons:
- May be pricier than single-layer foam filters.
- User Impressions: Customers love the noticeable improvement in air quality and reduced odors, especially from cooking or pet dander. Many appreciate the robust construction and how effectively it keeps their RV feeling fresh.
See it on Amazon here
2. Acostop RV Air Conditioner Replacement Filters – 6 Pack…

For RVers who like to stock up and ensure timely replacements, this 6-pack from Acostop is a fantastic value. Made from premium 50PPI filter foam, these filters are designed for efficient particle capture, ensuring you always have a fresh filter on hand to keep your RV air healthy and your Dometic AC running smoothly throughout the season.
- Key Features:
- Includes 6 RV air conditioner replacement filters (7.5×14 inches, 0.5 inches thick).
- Perfectly compatible with Dometic filter numbers 3313107.103 & 3105012.003.
- Premium 50PPI filter foam, softer and denser for better adsorption filtration.
- Effectively filters dander, dust, and other impurities.
- Helps extend the lifespan of your air conditioner.
- Recommended replacement every 1-2 months for best effect.
- Vacuum-packaged; allow 2-3 days to expand after opening.
- Pros:
- Great value with a 6-pack for frequent replacements.
- High-density foam offers superior filtration compared to basic sponges.
- Ensures continuous fresh air for health and comfort.
- Direct compatibility with popular Dometic models.
- Cons:
- Not washable, requiring disposal and replacement.
- Requires expansion time after opening due to vacuum packaging.
- User Impressions: RV owners frequently praise the excellent value and the noticeable difference in air cleanliness. The bulk pack is a big hit for those who travel extensively or in dusty conditions, allowing for easy, regular changes.
See it on Amazon here
3. Tatuo 4 Packs RV A/C Replacement Air Filter 14 x…

The Tatuo 4-pack stands out for its reusability, offering an eco-friendly and cost-effective solution for maintaining your RV’s air quality. Made from quality PPI filtration foam, these filters effectively reduce dust without compromising airflow, making them a practical choice for budget-conscious and environmentally aware travelers.
- Key Features:
- Includes 4 packs of replacement air filters (14 x 7.5 x 0.25 inches).
- Made of quality PPI filtration foam.
- Washable and reusable feature for convenience.
- Efficiently decreases dust presence in the air.
- Maintains air conditioning performance without reducing airflow.
- Pros:
- Washable and reusable, reducing waste and cost over time.
- Good value with a 4-pack.
- Maintains optimal airflow.
- Simple and convenient to use.
- Cons:
- Requires manual cleaning, which some users might find inconvenient.
- Thinner profile compared to some other options.
- User Impressions: Customers appreciate the reusability factor, citing it as a major benefit for both their wallet and the environment. They find them easy to clean and effective at keeping dust at bay, noting no significant drop in AC performance.
See it on Amazon here
4. weideer RV A/C Ducted Air Grille for Dometic, Duo-Therm…

While primarily an air grille, this product from weideer is invaluable for filter maintenance as it comes with a filter pad and is designed for easy removal and cleaning. If your existing Dometic grille is cracked, yellowed, or difficult to clean, this replacement offers a durable, perfectly matched solution that also includes a new filter pad to protect your AC system.
- Key Features:
- Compatible with Dometic 3104928.019; matches color and size.
- Made of high-quality ABS and PP plastic, resistant to breaking and yellowing.
- Comes with a black filter pad to prevent dust and debris.
- Protects the air conditioning system and redirects air.
- Washable and reusable grille and filter pad.
- Easy installation and removal.
- Package includes 1PCS RV A/C grill and 1PCS filter pad.
- Pros:
- Complete grille replacement with an included filter.
- Durable, high-quality materials.
- Washable filter pad, promoting reusability.
- Easy to install and maintain.
- Cons:
- This is a grille, not just a standalone filter pack, so it’s a different type of purchase.
- User Impressions: Users who needed to replace their entire grille found this product to be a perfect fit and a significant upgrade in durability. The included filter and its washability are often highlighted as a practical bonus.
See it on Amazon here
5. RV A/C Ducted Air Grille Duo-Therm Air Conditioner Grille…

This replacement grille offers similar benefits to the weideer option, providing a fresh look and improved filter access for your Dometic Duo-Therm AC unit. It emphasizes ease of maintenance and regular filter rotation, making it a great choice if your existing grille is worn out and you want a simple way to keep your AC’s filter system pristine.
- Key Features:
- Ideal and functional replacement for old/worn-out RV air conditioning grilles and filters.
- Redirects air and protects the AC system from large foreign objects.
- Easy to disassemble, clean dust, and reuse.
- Allows for regular rotation of clean filters.
- Easy installation without complex tools.
- Pros:
- Combines grille replacement with filter maintenance ease.
- Promotes regular cleaning and filter rotation for efficiency.
- Simple to install and disassemble.
- Enhances the lifespan of your AC unit.
- Cons:
- Again, this is a grille and filter combo, not just a filter pack.
- User Impressions: Reviewers are pleased with how easily this grille replaces older units and simplifies the process of cleaning or swapping out the filter. They note the practical design that encourages consistent maintenance.
See it on Amazon here
6. Mission Automotive 2 Count RV AC Filter Replacement MERV…

Mission Automotive delivers a high-performing RV AC filter designed for exact compatibility with popular Dometic Duo Therm units. Made in the USA from durable PPI filtration foam, this 2-pack offers efficient particle capture, enhancing your RV’s air quality and protecting your AC system, all while supporting domestic manufacturing.
- Key Features:
- Exact fit compatibility with Dometic Duo Therm AC units (3313107.103 and 3105012.003).
- Purifies RV air quality, capturing dirt and debris.
- Made from durable PPI filtration foam.
- Convenient two-pack for replacements every three months or annually.
- Proudly Made in USA.
- Pros:
- Precise fit for specified Dometic models.
- High-performing filtration for healthier air.
- Durable, long-lasting material.
- Supports American manufacturing.
- Convenient two-pack for planned replacements.
- Cons:
- Only a two-pack, so more frequent reordering might be needed for heavy users.
- User Impressions: Customers frequently commend the perfect fit and the noticeable improvement in air cleanliness. The “Made in USA” aspect is a strong selling point for many, reinforcing confidence in the product’s quality and durability.
See it on Amazon here
7. AGradify 6 Pack RV Air Conditioner Filters 14″ X 7.5″…

The AGradify 6-pack is an excellent choice for those seeking MERV 8 filtration in a convenient bulk package. These filters are precisely cut for Dometic compatibility and focus on protecting your respiratory health by effectively filtering out common irritants. Their safety and eco-friendly materials, along with a generous warranty, make them a reliable option.
- Key Features:
- Precisely cut for compatibility with Dometic 3313107.103, 3105012.003 & 3104928.019.
- Dimensions: 14 x 7.5 inches, 0.59 inches thickness. (Blue side is the windward side).
- MERV 8 RV AIR FILTERS effectively filter dust, hair, pollen, and other irritants.
- Safety & Eco-Friendly Material: Moisture resistant up to 100% relative humidity, temperature resistant up to 100 °C, silicone-free.
- 6-pack for timely replacement every 3 months.
- One-year warranty.
- Pros:
- High MERV 8 rating for superior filtration of allergens.
- Good value with a 6-pack for extended use.
- Environmentally conscious and safe materials.
- Precise fit for multiple Dometic models.
- Comes with a one-year warranty.
- Cons:
- May not be washable, requiring disposal.
- User Impressions: Users highly rate these filters for their excellent filtration capabilities, especially those with allergies, noting significantly cleaner air. The bulk pack and clear instructions for installation are also frequently praised.
See it on Amazon here
8. RV A/C Filters Replacement Compatible with Dometici Duo…

This 6-pack offers a straightforward, high-density PP filtration foam solution for your Dometic Duo Therm AC unit. It provides robust protection for your RV’s air quality and AC system at an affordable price point, ensuring you have plenty of replacement filters to keep your travels fresh and comfortable.
- Key Features:
- Perfectly compatible with Dometic Duo Therm RV AC units.
- Replaces Dometic air conditioner foam filter pads # 3313107.103 / 3105012.003.
- Made of high-density PP filtration foam.
- 14 x 7.5 inch size, ideal for RV/Camper/Travel Trailer air conditioners.
- Includes 6 packs of duo therm AC filters.
- Pros:
- Excellent value with a 6-pack.
- High-density foam for effective filtration.
- Direct compatibility with common Dometic models.
- Protects the AC system effectively.
- Cons:
- Does not specify MERV rating or multi-layer features like some premium options.
- User Impressions: Customers find these filters to be a reliable and cost-effective alternative to OEM, noting their good fit and ability to keep dust out. The quantity in the pack is a definite plus for frequent changers.
See it on Amazon here
9. Dometic Penguin A/C 2 Pack Air Filter

For those who prefer to stick with genuine parts, the Dometic Penguin A/C 2 Pack Air Filter offers the assurance of OEM quality and a perfect fit for your Dometic Penguin AC unit. While details are sparse, purchasing directly from Dometic ensures compatibility and adherence to original specifications, which can be a peace of mind for some RV owners.
- Key Features:
- Genuine Dometic product.
- Package Quantity: 1 (likely meaning one set/unit containing two filters).
- Designed for Dometic Penguin A/C units.
- Exact fit and OEM quality.
- Pros:
- Guaranteed compatibility with Dometic Penguin ACs.
- OEM quality and reliability.
- Simple, no-fuss replacement.
- Cons:
- Limited product description available.
- May be pricier than aftermarket alternatives.
- Specific to Penguin models, so check your AC type.
- User Impressions: While specific user feedback for this listing is limited, general sentiment for Dometic OEM filters points to reliable performance and perfect fit. Owners value the peace of mind that comes with using genuine parts.
See it on Amazon here
10. AutoEC MERV 6 Rated RV AC Filter Replacements Compatible…

The AutoEC MERV 6 filters offer a fantastic balance of excellent filtration, convenient washability, and precise compatibility for several Dometic models. Their multi-layer design ensures superior airflow while effectively capturing particles, making them a smart, reusable choice for maintaining top-tier RV air quality.
- Key Features:
- Perfectly compatible with Dometic 3313107.103, 3105012.003 & 3104928.019 models.
- Dimensions: 14” x 7.5” inches, 0.59 inches thickness (blue side is windward side).
- Superior Airflow with Multi-Layer Filtration (MERV 6 Rated).
- Captures dust, pet dander while maintaining excellent airflow.
- Crafted from premium filtration foam for durability.
- Washable & Reusable for convenience.
- Pros:
- Good MERV 6 filtration rating.
- Washable and reusable, saving money and reducing waste.
- Maintains excellent airflow while filtering effectively.
- Durable, high-quality material.
- Precise fit for several Dometic models.
- Cons:
- Requires manual cleaning for reuse.
- Not as high MERV rating as some premium disposable options.
- User Impressions: Users love the reusability and easy cleaning process, highlighting the cost savings and reduced environmental impact. They also report good filtration performance and a noticeable improvement in RV air quality, all without restricting airflow.
See it on Amazon here
Frequently Asked Questions (FAQ) About Dometic RV Air Conditioner Filter Replacement
Q1: How often should I replace my Dometic RV air conditioner filter?
A1: Generally, it’s recommended to replace your RV AC filter every 1-3 months, depending on how frequently you use your RV and the conditions you travel in. If you’re often in dusty areas, have pets, or smoke, you might need to change it more frequently. Visually inspecting your filter regularly is the best way to tell if it’s dirty.
Q2: Can I wash my Dometic RV AC filter instead of replacing it?
A2: It depends on the filter! Some filters, particularly those made of foam, are specifically designed to be washable and reusable (like the Tatuo or AutoEC options above). However, many disposable filters are not meant to be washed. Washing a non-washable filter can damage its filtration capabilities. Always check the product description or manufacturer’s instructions for your specific filter.
Q3: What’s the difference between MERV ratings, and how does it apply to RV AC filters?
A3: MERV stands for Minimum Efficiency Reporting Value. It’s a rating system (typically from 1-20) that indicates how effectively a filter stops dust and other contaminants from passing through it. Higher MERV ratings mean finer filtration. For RV AC filters, you’ll commonly see ratings around MERV 6-8, which is good for capturing pollen, dust mites, and pet dander. Higher MERV filters might slightly restrict airflow but offer superior air cleaning.
Q4: How do I know which Dometic filter is compatible with my RV AC unit?
A4: Most Dometic RV AC units use standard filter sizes and part numbers. The easiest way is to check your existing filter for a part number (e.g., 3313107.103 or 3105012.003). Alternatively, consult your Dometic AC owner’s manual or measure the dimensions of your current filter and compare them to the product specifications of the replacement filters.
Q5: Is replacing the filter a DIY job, or do I need a professional?
A5: Replacing a Dometic RV air conditioner filter is typically a very simple DIY task that requires no special tools. Most filters are located behind an easily removable grille or cover on your ceiling unit. Simply remove the old filter, insert the new one, and replace the cover. It usually takes just a few minutes!
Q6: Why is good air quality important in an RV?
A6: Good air quality in an RV is crucial for several reasons: it prevents respiratory issues and allergies, eliminates stale or unpleasant odors, improves overall comfort, and ensures your AC system runs efficiently and lasts longer. A clean filter is your primary defense against airborne irritants in a confined space.
Q7: Can a dirty Dometic RV AC filter affect my energy consumption?
A7: Yes, absolutely! A dirty filter restricts airflow, forcing your Dometic AC unit to work harder to cool your RV. This increased strain means the compressor and fan motor have to run longer and consume more electricity, leading to higher energy bills and potentially shortening the lifespan of your unit.
Conclusion
Keeping your RV’s air fresh and clean is a key part of enjoying your travels, and a Dometic RV air conditioner filter replacement is a simple yet impactful way to achieve that. Whether you opt for a multi-stage filter for ultimate air purity, a bulk pack for frequent changes, or a washable option for sustainability, there’s a perfect filter out there for every RVer.
By regularly swapping out those dusty old filters for a fresh one, you’re not just improving your comfort; you’re safeguarding your health and extending the life of your valuable Dometic AC unit. So go ahead, pick your favorite from our list, and get ready to breathe easy on all your future road trips!


