16x20x4 (3 5/8) Pleated MERV 7 Air Filters 1 Pack new-releases • Perlite -horticultural grade

• Perlite -horticultural grade

Simply select thecorrect lamp style and wattage and the ballast will now properly operate that waywithin the proper operational parameters

Packaging Dimensions:           160mm(L) x 86mm(W) x 86mm(H)

stronger seams

seaweed feeds plants

16x20x4 (3 5/8) Pleated MERV 7 Air Filters 1 Pack new-releases • Perlite -horticultural gradeImportant 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