20x20x4 (3 5/8) Pleated MERV 14 Air Filters 1 Pack pumps-and-irrigation-supplies The Orcon Grub Control (7

The Orcon Grub Control (7 million) (GC-R7M) are microorganisms that contains beneficial nematodes

the concentrate is mixed with the water

Medium speed 530 CFM 127 watts

This enables active temperature monitoring as well as intelligent programming that will automatically adjust fan speeds to respond to varying temperatures for each zone

Then they suck out body contents through a hole bitten in their thorax and aphids die

20x20x4 (3 5/8) Pleated MERV 14 Air Filters 1 Pack pumps-and-irrigation-supplies The Orcon Grub Control (7Important 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