16x20x4 (3 5/8") Furnace Filter 15 3/8x 19 3/8 x 3 3/4" MERV 11. Case of 4

16x20x4 (3 5/8") Furnace Filter 15 3/8x 19 3/8 x 3 3/4" MERV 11. Case of 4

Standard 16 x 20 x 4 Pleated Filters
Actual/Exact Size 15 1/2" x 19 1/2" x 3 3/4"
MERV 11 Rated
Manufactured in Canada by Furnace Filters.Ca
Case of 4

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