2-pack Original Factory Replacement FC40R1003
20" x 20" x 5" (actual size 19 3/4" X 19 3/4" 4 3/8")
MERV 10
Replaces older Honeywell model number F35R.
The FC40R Return Grille Filter is a high-efficiency, long-life replacement for return grille applications. It captures a significant amount of the airborne particles in the air that circulate through the filter. (Honeywell recommends allowing a depth of seven inches behind the grille to provide space for the deeper filter and airflow through the filter.)
Honeywell recommends changing your filter once a year. It may be necessary to replace it sooner depending on the conditions in your home. 
Filter features 1" lip around upstream side
FEATURES
. Mounts in most third party return filter grilles (features integral gasket around upstream side of filter).
. Provides high-efficiency alternative to one-inch filter.
. Captures particles as small as 0.3 micron.
. Pleated filter for greater media capacity.
. Easy installation. Pre-assembled filter easily inserts into and out of existing return grille.
. Exclusive frame design nests properly into place.
. Low pressure drop reduces strain on equipment, provides a comfortable air flow and maintains equipment efficiency longer than standard filters.
REVIEW SNAPSHOT®
by PowerReviewsPros
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Reviewed by 12 customers
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Comments about Honeywell Return Grille Replacement Filter FC40R1003 20" x 20" x 5":
Very efficient filters that last about 1 year.
Price is very good compared to what other dealers offer.
Delivery was fast.
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Comments about Honeywell Return Grille Replacement Filter FC40R1003 20" x 20" x 5":
After an exhaustive search, this company HAS the actual Honeywell replacement filters instead of a "wanna be" filter that does not replace the Honeywell configuration. [...] a competetive price!
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Comments about Honeywell Return Grille Replacement Filter FC40R1003 20" x 20" x 5":
Couldn't find these filters at local hardware stores and were cheaper than local HVAC companies.
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Comments about Honeywell Return Grille Replacement Filter FC40R1003 20" x 20" x 5":
Filter lasts a long time capturing a lot of dust.
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Comments about Honeywell Return Grille Replacement Filter FC40R1003 20" x 20" x 5":
Necessary filter for our unit. Filters fit and are effective.
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Comments about Honeywell Return Grille Replacement Filter FC40R1003 20" x 20" x 5":
I was purchasing these type of filters from the Air Conditions Service companies and have paid as high as[$] each for the same filters. IAQ Source has the best price for an excellent quality filter.
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Comments about Honeywell Return Grille Replacement Filter FC40R1003 20" x 20" x 5":
Replacement for 1" filter. Lasts longer, cleans better.
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Comments about Honeywell Return Grille Replacement Filter FC40R1003 20" x 20" x 5":
I HAD MY DAUGHTER FIND THIS PRODUCT FOR MY NEW AC/HEAT UNIT ONLINE...THIS PRICE WAS MUCH BETTER THAN FROM THE DEALER...MUCH MUCH BETTER:-)THIS FILTER IS GREAT....I FIND THAT I HAVE NO DUST IN THE HOUSE SINCE HAVING THIS TYPE OF FILTER INSTALLED!!
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Comments about Honeywell Return Grille Replacement Filter FC40R1003 20" x 20" x 5":
No comments at this time.
Service and delivery comments:
The service and delivery were absolutely fantastic. It was timely and efficient.
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Comments about Honeywell Return Grille Replacement Filter FC40R1003 20" x 20" x 5":
I could not find a replacement filter in my city. Went online and found it within minutes at this site. Also a good price and it is a perfect replacement for my central system.
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Make sure the airflow arrow is pointed in the direction that air flows through your system.
