20x25x4 (3 5/8) Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filters 2 Pack sprayers MERV 10 furnace air conditioner

MERV 10 furnace air conditioner filters are comparable to HVAC filters with the rating of MPR 900-1000

Silica is very effective in both Soil and Hydroponic gardens

Max current: 8

and without the use of adhesive or tools

• Solvent Reclamation

20x25x4 (3 5/8) Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filters 2 Pack sprayers MERV 10 furnace air conditionerImportant Note: Almost ALL furnace filters have a different "actual size" than the nominal size printed on the air conditioner filter. It's best if you measure your air filter for the EXACT size and compare it to our "Actual Size" and then you can be sure your A C air filter fits! With the 4" and 5" air filters there is a wider variance between the nominal and actual size depending on the manufacturer. If you are replacing a 4 3 8 depth 20x25x4 filter