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Old 11-27-2023, 11:22 PM   #1
Troutmadness
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Type of air conditioner filter to use.

Hi everyone. I am having a very difficult time finding a 12x12x1 inch air conditioner filter with a. MERV of 9 for my 15000 btu air conditioner in the 2023 cougar half-ton 22MLS travel trailer. I did watch a video by keystone on my unit and this was the type of filer used. The exact measurement of the filter is 11 3/8 by 11 3/8 by 3/4 inch. Any advice would be greatly appreciated. Thank you.
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Old 11-28-2023, 08:16 AM   #2
JRTJH
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Here's one source: https://filterbuy.com/air-filters/12x12x1/merv-11/

They are also available on Amazon, EBay, and at most RV dealership parts departments.
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Old 11-28-2023, 12:10 PM   #3
dutchmensport
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For years, in our current house, we had an odd-ball size air return vent for the air conditioner at one end of the house (we have 2 units on opposite ends of the hosue).

I absolutely could not locate filters, so I made my own. I purchased filters that were larger and simply cut them and taped them back together. It worked well, and I never had issues ... until the furnace died completely.

Then we had a new unit put in. (our coils are in the attic, as is the return). So it was so old of a system, it meant replacing a lot of stuff. The return vent was one thing that got replaced. It took some frame modification with our attic rafters, but the end result was a 14 x 14 inch return. Oh boy! Guess what? 14x14 is hard to find also.

Thus.... enter Amazon! Problem solved.

Check Amazon. Amazon has everything!

Here's a note on "MERV":

MERV stands for Minimum Efficiency Reporting Value, which describes the efficiency of an air filter in reducing the level of 0.3 to 10 micron-sized particles in the air that passes through the filter.0 A higher MERV rating means that the filter can trap smaller air particles.12 The rating is derived from a test method developed by the American Society of Heating, Refrigerating, and Air Conditioning Engineers (ASHRAE) and comes with a range of 1-16. The lower the number on the MERV scale, the lower the filtering efficiency will be. The higher-rated filters are capable of trapping smaller particles than the lower numbered filters. The MERV values can be viewed through four tiers.

So, why not got with one that has a higher "MERV"

Click here


Edit:

Bingo! Click here.
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Old 11-28-2023, 05:33 PM   #4
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Take your pick

Ken
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Old 12-04-2023, 12:33 PM   #5
CBears
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Quote:
Originally Posted by JRTJH View Post
Here's one source: https://filterbuy.com/air-filters/12x12x1/merv-11/

They are also available on Amazon, EBay, and at most RV dealership parts departments.
The first picture says Merv 8. Are the ones you get actually Merv 11?
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Old 12-04-2023, 04:54 PM   #6
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Quote:
Originally Posted by CBears View Post
The first picture says Merv 8. Are the ones you get actually Merv 11?
There are three options on that webpage. The first is Merv8 for $27 for 4, second option is Merv11 for $35 for 4 filters and the third option is Merv13 for $47 for 4 filters. Just click on the round circle under the MERV selection you prefer.
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Old 12-04-2023, 05:57 PM   #7
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There are three options on that webpage. The first is Merv8 for $27 for 4, second option is Merv11 for $35 for 4 filters and the third option is Merv13 for $47 for 4 filters. Just click on the round circle under the MERV selection you prefer.
Ugh, duh, yep.
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Old 12-04-2023, 06:35 PM   #8
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Ugh, duh, yep.
Don't sweat overlooking that.... I won't start to try to count how many times something similar has happened to me and it hasn't just been recent, now that I'm starting to admit that I'm "old" <sigh> LOL
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