Merv 11 Furnace Filters

3'' MERV 11 Air & Furnace Filter (3 per case)

4'' MERV 11 Air & Furnace Filter

5'' MERV 11 Air & Furnace Filter (2 per case)

Accumulair

Accumulair Platnium - 2'' MERV 11 Air & Furnace Filter (12 per case)

MERV 11 20 X 25 X 6 Research Products 2200/2250 & AprilAir Filter (2 per case)

Accumulair Replacement Filters - 1'' MERV 11 Rating (6 per case)