20x25x5 (4 3/8) Lennox X6673_X6675 Replacement MERV 13 Air Filters 1 Pack Water Pumps & Irrigation Supplies the chemical reaction provides a

the chemical reaction provides a three-fold benefit to your plants

Possible applications for these disposable hazmat suits include emergency response

The Wicking System provides a capillary movement where it draws water from the base reservoir

Power draw : 456

and creates Big density Buds

20x25x5 (4 3/8) Lennox X6673_X6675 Replacement MERV 13 Air Filters 1 Pack Water Pumps & Irrigation Supplies the chemical reaction provides aImportant 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. We also carry 4 7 8 and 5 1 4 inch depth filters,