21x22x4 AC/Furnace Air Filter (Made by American Filter Company™) Made in U.S.A

Description

1. Choose MERV Rating	MERV 8, MERV 8 ODOR, MERV 11, MERV 13
2. Choose Pack Size	1 Filters, 2 Filters, 4 Filters

1191 Huntington Drive #317
Duarte , CA 91010

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Dimensions:	21x22x4
Actual Size Dimensions:	20.5x21.5x3.75
Change out Interval:	3 Month Filter
Filter Media:	100% synthetic gradient media with antimicrobial properties
Filter Support Grid:	30 gauge galvanized expanded metal support for best performance and durability
Box Frame:	Double-wall beverage board / Moisture resistant
Max Temperature:	180F - 225F
Max Humidity:	100% R.H. Resistant
Available in MERV Rating:	MERV 8, MERV 8 ODOR, MERV 11, MERV 13