20x20x4 (3 5/8) Pleated MERV 15 Air Filters 2 Pack Water Heaters Chillers Injection capabilities of 1:3000 to

Injection capabilities of 1:3000 to 1:800 (0

The integrated ballast automatically senses which type of lamp it is running and operates accordingly

including especially vigorous strains from the harsh conditions of the Israeli desert

offering a wide variety of natural and organic solutions for lawn

• 5' x 5' wide and uniform coverage

20x20x4 (3 5/8) Pleated MERV 15 Air Filters 2 Pack Water Heaters Chillers Injection capabilities of 1:3000 toImportant 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