14x22x1 MERV 13 AC Furnace Filters 6 Pack Promote Seedlings started in cubes are

Seedlings started in cubes are easily transferred to blocks and then onto slabs

optimum heat management

The two-part system allows for versatility and efficient use of space

introducing far-red light after the lights have been turned off can lengthen the dark period to encourage the flowering process

14x22x1 MERV 13 AC Furnace Filters 6 Pack Promote Seedlings started in cubes areNordic Pure MERV 13 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 13 furnace filters are comparable to HVAC filters with the rating of MPR 2200