Caliza HVAC Pack — 20x20x1 MERV 11 (6-pack)
$64.00
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Caliza HVAC Pack — 20x20x1 MERV 11 (6-pack)
$64.00
Six 20x20x1 MERV 11 pleated furnace filters. Actual size about 19.75 x 19.75 x 0.75 inches. Use MERV 11 if the furnace manual does not allow MERV 13. Traps household dust and lint. Swap about every 90 days. Not a room purifier. Not a medical device.