20x25x5 (4 3/8) Lennox X6673_X6675 Replacement  MERV 8 Pleated Plus Carbon 4 Pack Hydro Systems auto shutdown for extreme temperature

auto shutdown for extreme temperature situations

Long lasting

Promotes upgraded flowering and fruiting

ViparSpectra P2500 LED grow light provide high PAR output

DH58820 (Model 8820)

20x25x5 (4 3/8) Lennox X6673_X6675 Replacement  MERV 8 Pleated Plus Carbon 4 Pack Hydro Systems auto shutdown for extreme temperatureImportant 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,