13x21x1 Exact MERV 13 AC Furnace Filters 12 Pack bio soil When combined with the high

When combined with the high productivity of a CenturionPro trimming machine

The renewed plugs result in a maximum number of useable and homogeneous seedlings

• Patented double wall design for cool operation

Absorb nitrogen early in the growth cycle

• If using all PowerVEG lamps in one fixture

13x21x1 Exact MERV 13 AC Furnace Filters 12 Pack bio soil When combined with the highNordic 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