16x21x1 MERV 7 AC Furnace Filters 6 Pack biological fertilizer ●【High Efficiency Energy Saving Plant

●【High Efficiency Energy Saving Plant Light】Only 150 watts true output with 342 pcs LEDs

our drive belts can stand several thousand hours of use

Foot Print 4 X 4 ft

850 μmol per second output (S4 Spectrum)

This product is made in the USA

16x21x1 MERV 7 AC Furnace Filters 6 Pack biological fertilizer ●【High Efficiency Energy Saving PlantNordic Pure MERV 7 Pleated AC Furnace Air Filters provide exceptional filtration for both home and commercial environments. Each time air passes through a Nordic Pure pleated furnace air filter, lint, dust, pollen, bacteria, pet dander, dust mites, mold spores and other contaminants are removed. MERV 7 furnace filters are comparable to HVAC filters with the rating of MPR 600. While different companies use different scales to measure the air filters