16x20x4 (3 5/8) Pleated Air Filters MERV 7 Plus Carbon 6 Pack leds 2100K color temperature

2100K color temperature

All filters are maintenance-free and feature long-lasting activated virgin charcoal that keeps your air odor-free

PhysioSpec Indoor is a full-cycle spectrum optimized for rapid growth and complete plant development

Outer Dimensions: 5/8''

Working Environment:                        Temperature 32-122°F

16x20x4 (3 5/8) Pleated Air Filters MERV 7 Plus Carbon 6 Pack leds 2100K color temperatureImportant 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