21x21x4.5 Rheem® Furnace Filters by Accumulair®
21x21x4.5 Rheem® Furnace Filters by Accumulair®
21x21x4.5 Rheem® Furnace Filters by Accumulair®
Nominal size 21" x 21" x 4 1/2" (Actual size 20 3/4 x 20 3/4 x 4 3/8) Fits Rheem® central heating systems Lasts up to 6 Months This is an aftermarket filter not made by Rheem®. All MERV data and statements are indicative of typical properties and characteristics obtainable. MERV claims are to be used as a guide for general comparison and not as a specification. Please measure your existing filter before you place your order to insure you are ordering the correct size.
21x21x4.5 Rheem® Furnace Filters by Accumulair®
- Nominal size 21" x 21" x 4 1/2" (Actual size 20 3/4 x 20 3/4 x 4 3/8)
- Fits Rheem® central heating systems
- Lasts up to 6 Months
- This is an aftermarket filter not made by Rheem®.
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All MERV data and statements are indicative of typical properties and characteristics obtainable. MERV claims are to be used as a guide for general comparison and not as a specification.
Please measure your existing filter before you place your order to insure you are ordering the correct size.