21x23x1 Exact MERV 7 AC Furnace Filters 6 Pack aaron Weight– 38lbs

Weight– 38lbs

4-hour REI and 0-day PHI

A few of the upgrades include an automatic relight ignition in case of ignition failure

The Mega covers a 5 ft x 5 ft flower footprint and a 7 ft x 7 ft veg footprint

Allows air and water to permeate to prevent fungus and diseases

21x23x1 Exact MERV 7 AC Furnace Filters 6 Pack aaron Weight– 38lbsNordic 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