20x25x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 8 Pleated Plus Carbon 2 Pack lighting-accessories gives an instant boost of

gives an instant boost of nutrition to promote plant growth

UL-listed waterproof heat mat

UVSpec: 108 μmol/s

While the DEva can work with your existing lighting controller

spinosad and conventional pesticides

20x25x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 8 Pleated Plus Carbon 2 Pack lighting-accessories gives an instant boost ofImportant 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,