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Old 05-20-2022, 06:52 AM   #1
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RV Air Filter AC-140C

Has anyone replaced their standard round airfilters with one of these ? They look too thick to replace them. The old ones are paper thin.

RV Air Filter AC-140C
5.25 Diameter Round RV AC Air Duct
Activated Carbon Filter Replacement
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Old 05-20-2022, 10:43 AM   #2
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Never tried them, I would be concerned with air flow restriction.
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Old 05-20-2022, 11:03 AM   #3
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Have used them for years. They fit. Have not measured airflow but have noticed no issues. Cools or heats fine.
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Old 05-20-2022, 11:17 AM   #4
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Best RV filter's on the market hands down, perform just fine and filter very well.
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Old 05-20-2022, 05:38 PM   #5
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I make my own from a roll of 6 MERV material which is what the AC-140c are made from. A 6 ft X 2 ft roll costs about $15 and will yield 4 sets - 2 square and 8 round in each set.
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Old 05-20-2022, 06:09 PM   #6
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There is more to these filter's than just the 6 MERV material..........

HOW DO RV AIR ACTIVATED CARBON AIR FILTERS WORK?

Carbon by itself is a powerful adsorbing agent. That’s adsorb with a “d.” (In absorption — with a “b” — foreign particles are drawn into something, whether it’s a solid material or a liquid. In adsorbtion, foreign particles adhere to the surface of the adsorbing agent.
The more surface area that a carbon particle has, the more it can convince impurities to stick to it. Activated carbon has a larger surface area to bond with odors because it is porous.
These charcoal air conditioner filters are also a great barrier against airborne contaminants, like pollen, dust, bacteria, mold spores, pet dander and other allergens. Our MERV 6 patented filter system cleans the air before it gets into your RV’s air conditioner, capturing particles as small as three to 10 microns.
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Old 05-20-2022, 09:40 PM   #7
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I purchased 16 of these in 4 paks, kind of expensive. Instructions say not to wash them. Used them, then put the foam filters back in. Washed the RVAir units, dried and used them again. It is my inexpert opinion that the washed RVAir units will filter better than the foam. I swap back and forth, notice no difference in temps/dust in coach/use before looking dirty. Just my opinion...
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Old 05-21-2022, 06:36 AM   #8
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Thanks all. Will give them a try
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Old 05-21-2022, 08:02 AM   #9
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Works well for me. Got the round (no carbon) discs from RVAir and some flat sheets (cut to fit for the square ones) from Walmart. It's been 90+ in Florida and still cools well.
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Old 05-22-2022, 05:11 AM   #10
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I’ve used them for about 3 1/2 years and love them.
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Old 05-23-2022, 01:26 PM   #11
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used them for past 3 years really great alot better than the foam ones
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