20x20x4 (3 5/8) Pleated MERV 13 Air Filters 1 Pack Pots and Containers allowing moisture vapor and heat

allowing moisture vapor and heat to escape so you stay cooler all shift long

Nitrogen (N)……………………………0%

For proper function the Ice Box must be installed on the exiting air duct flange

The pH value is certified traceable to NIST 185g S

00 SURCHAGE PER UNIT ABOVE PUBLISHED WHOLESALE PRICING DUE TO ADDITIONAL TRANSPORT COSTS

20x20x4 (3 5/8) Pleated MERV 13 Air Filters 1 Pack Pots and Containers allowing moisture vapor and heatImportant 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 20x20x4 filter