16x21_1/2x1 Exact MERV 14 AC Furnace Filters 6 Pack double-ended Length 12″

Length 12″

height extension kit gives you the ability to increase your growing height from 6'7' to 7'7'

LTL Controls CO2 Generators come with everything you need to get your CO2 system started

Increase crop uniformity

Output Power: 315W

16x21_1/2x1 Exact MERV 14 AC Furnace Filters 6 Pack double-ended Length 12″Nordic Pure MERV 14 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, smoke particles, virus carriers, coughs and sneezes, smog, allergens and other contaminants are removed. MERV 14 furnace filters are comparable to HVAC filters with the rating of MPR 2800.