16x20x4 (3 5/8) Pleated Air Filters MERV 15 Plus Carbon 2 Pack Reflectors & Grow Lights The concentrated garlic compounds create

The concentrated garlic compounds create an olfactory barrier that insects find highly unpleasant

Features a super tough

Root Cleaner concentrate eliminates soil borne pests and pathogens

Tests at 90CM above the canopy produce a highly consistent 350Par spread over an area of 1

16x20x4 (3 5/8) Pleated Air Filters MERV 15 Plus Carbon 2 Pack Reflectors & Grow Lights The concentrated garlic compounds createImportant 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