22x24_1/4x1 MERV 12 AC Furnace Filters 6 Pack Tents / Indoor Greenhouses Backflow Protection – The air

Backflow Protection – The air gap built into the fill cap prevents excessive pressure buildup

The grille is constructed of heavy-duty steel

The added benefit of fibrous peat moss and coarse perlite makes this formulation ideal for growers who require a superior-quality product adapted to their needs for watering flexibility and crop seasonality

Shop conventional Procidic for agricultural crops

• Accepts sodium or halide bulbs

22x24_1/4x1 MERV 12 AC Furnace Filters 6 Pack Tents / Indoor Greenhouses Backflow Protection – The airNordic Pure MERV 12 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, allergens and other contaminants are removed. MERV 12 furnace filters are comparable to HVAC filters with the rating of MPR 1500 1900. While different