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21x21x4.5 (20.75x20.75x4.38) Carbon MERV 8 Ruud® Replacement Filter by Accumulair®

21x21x4.5 (20.75x20.75x4.38) Carbon MERV 8 Ruud® Replacement Filter Nominal size 21" x 21" x 4 1/2" (Actual size 20 3/4 x 20 3/4 x 4 3/8) Fits Ruud® central heating systems

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21x21x4.5 (20.75x20.75x4.38) Carbon MERV 8 Ruud® Replacement Filter by Accumulair®

21x21x4.5 (20.75x20.75x4.38) Carbon MERV 8 Ruud® Replacement Filter

Nominal size 21" x 21" x 4 1/2" (Actual size 20 3/4 x 20 3/4 x 4 3/8)
Fits Ruud® central heating systems

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Details

21x21x4.5 (20.75x20.75x4.38) Carbon MERV 8 Ruud® Replacement Filter by Accumulair®

More Information

More Information
Manufacturer	Accumulair®
Replaces Brand	Ruud®
MERV Rating	MERV 10
Actual Size	20.75 X 20.75 X 4.38
Exact Width	20
Exact Width Fraction	3/4"
Exact Length	20
Exact Length Fraction	3/4"
Exact Thickness	4
Exact Thickness Fraction	3/8"
Nominal Width	4
Nominal Width Fraction	1/2"
Nominal Length	21
Nominal Length Fraction	0"
Nominal Thickness	21
Nominal Thickness Fraction	0"

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