16x20x4 (3 5/8) Pleated MERV 8 Air Filters 6 Pack Lighting & Electrical Components display lock or off while

display lock or off while programs are running

FMWH5120L is used for (2) 4' bulbs (one on the FLT46/FLP46)

spinosad and conventional pesticides

Use in conjunction with Flowers and Micro for the best results

16x20x4 (3 5/8) Pleated MERV 8 Air Filters 6 Pack Lighting & Electrical Components display lock or off whileImportant 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 16x20x4 filter