21 by 21 Inch Filters

Flanders 10155.01215215 EZ Flow 21-1/2 Inch By 21 Inch By 1 Inch Metal Fiberglass Air Filter
SKU: ULCB-6289
UPC: 031949481377
$67.20/case = $5.60/each

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Ships in 3 to 4 Weekdays

21-1/2 Inch by 21 Inch by 1 Inch Flanders Flat Panel EZ Flow Air Filter is a standard grade furnace filter of the same one-sided metal reinforcement type...


Flanders 84858.012121 Naturalaire Standard 21X21x1pleat Air Filter
SKU: ULBB-5860
UPC: 031949146207
$81.60/case = $6.80/each

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Ships in 3 to 4 Weekdays

21 inch x 21 inch x 1 inch, Naturalaire Standard Pleated Air Filter, 100% Synthetic Wire Backed Media, Clay Coated Frame, Merv Rating 8, 90 Day Filter,...