bing tracking image
  1. Accessories and Parts
  2. WackO Products
  3. RV Air Conditioners
  4. Air Filters
WackO Products Replacement Filters for RV AC Air Ducts - 5-1/4" Diameter
WackO Products

WackO Products Replacement Filters for RV AC Air Ducts - 5-1/4" Diameter

Part Number: WO37FR
In Stock
$21.34
Accessories and Parts
zoom in icon
slider vertical icon
zoom out icon
Comment field cannot be left empty.
Name field cannot be left empty.

Thank you! Your comment has been submitted successfully. You should be able to view your question/comment here within a few days.

Error submitting comment. Please try again momentarily.

Product Images

Need help with installation?
Locate installers near me
You pop the vent and it's caked with dust. You've seen this before, but now you're getting ahead of it. This reusable filter catches the junk before it spreads, keeps the air fresh, and cuts down on the grime that builds up. 1-800-940-8924 to order WackO Products accessories and parts part number WO37FR or order online at etrailer.com. Free expert support on all WackO Products products. Great prices and Fastest Shipping for WackO Products Replacement Filters for RV AC Air Ducts - 5-1/4" Diameter. Accessories and Parts reviews from real customers.
  • All Info
  • Reviews (2)
  • Q & A (0)
  • Videos (1)
  • Photos

WackO Products Accessories and Parts - WO37FR

  • RV Air Conditioners
  • Air Filters
  • WackO Products

You pop the vent and it's caked with dust. You've seen this before, but now you're getting ahead of it. This reusable filter catches the junk before it spreads, keeps the air fresh, and cuts down on the grime that builds up.


Highlights

  • OEM Round Replacement Filters: Designed to fit 5-1/4" diameter RV A/C air ducts.
  • Electrostatic Filter Removes Pollutants: Traps dust, lint, pollen, and other airborne particles for cleaner air.
  • Washable and Reusable: Easy to clean with a vacuum or rinse; no replacements needed for every trip.
  • Made in the USA: Built with pride and consistency right here in America.

Specs

Compatibility:

  • Fits 5-1/4" diameter RV A/C air ducts

Dimensions and weight:

  • Overall: 5-1/4" diameter x 0.5" tall
  • Weight: 0.05 lbs

Filter details:

  • Type: electrostatic, 4-layer
  • Features: nonporous, mildew-resistant
  • Maintenance: vacuum or rinse and reuse

Warranty:

  • Limited lifetime


WF525 Wacko Products Replacement Air Filters for OEM RV AC Air Ducts - Qty 2





Video of WackO Products Replacement Filters for RV AC Air Ducts - 5-1/4" Diameter

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.




Video Transcript for Review of WackO Products Replacement Filters RV AC Air Ducts 5-1/4 Inch - WO37FR

Hi friends, Andy here with etrailer.com. Let's take a real quick look at these WackO Products replacement filters for your RV AC air ducts. Now these are going to fit your five and a quarter inch diameter RV AC air ducts; these are the OEM round replacements. And these electrostatic four layer filters are going to remove pollutants by trapping dust, lint, pollen and other airborne particles, giving you cleaner air. These are washable, so they're gonna be reusable. They're gonna be very easy to clean.

You could use your vacuum cleaner to clean them up or you can rinse them out with water. You do wanna make sure that they air dry completely, though, before you replace them; so you're not gonna have to worry about replacements needed for every trip. These are also going to be mildew resistant. But if you pick these up, we would love to hear back from you regarding your experience with getting these installed and using them, so you can share your experiences with us by dropping a comment or leaving a review on this product page. We have a whole lot more other types of filters so if these aren't exactly what you're looking for, be sure to check out our other offerings from WackO Products; and if you have any other additional questions, don't hesitate to reach back out to us.

We do wanna make sure that you're getting exactly what you want and need. Well, I think that's gonna wrap up our quick look today. Again, my name is Andy. Thank you for joining me.

Ratings & Reviews

5.0

2 reviews
You pop the vent and it's caked with dust. You've seen this before, but now you're getting ahead of it. This reusable filter catches the junk before it spreads, keeps the air fresh, and cuts down on the grime that builds up.

by:

We love these. Easy to wash and reuse.

Gwendolyn Y. profile picture
Etrailer Expert

Gwendolyn Y.

7/30/2025

That’s great to hear! How long do you usually leave the filter in before taking it out to clean?



by:


2
2

See what our Experts say about this WackO Products Accessories and Parts


Info for this part was:

Employee Mary K
Edited by:
Mary K
Employee Matthew S
Written by:
Matthew S
Employee Daron K
Updated by:
Daron K
Employee Kim H
Updated by:
Kim H
Employee Andy C
Installed by:
Andy C

At etrailer.com we provide the best information available about the products we sell. We take the quality of our information seriously so that you can get the right part the first time. Let us know if anything is missing or if you have any questions.


Product Experts Available Now!
Call 1-800-940-8924
<