16x25x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 8 Pleated Plus Carbon 2 Pack hand-tools Test for: Total Nitrogen

Test for: Total Nitrogen

KIND BASE 4-0-0 + 5% Calcium

nematicide

The Luxx Lighting 630W CMH is becoming the most popular lamp in the horticultural industry in years

No rinsing necessary after applying

16x25x5 (4 3/8) Honeywell/Lennox Replacement Air Filters MERV 8 Pleated Plus Carbon 2 Pack hand-tools Test for: Total NitrogenImportant 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,