20x34x1 MERV 13 AC Furnace Filters 6 Pack PPE Can be easily applied to

Can be easily applied to the underside of foliage

Max coverage: 4 x 4

• Horticulturally-optimized spectrum and increased UV promote enhanced plant quality

leading to stronger root growth

20x34x1 MERV 13 AC Furnace Filters 6 Pack PPE Can be easily applied toNordic 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