28x34x1 MERV 13 AC Furnace Filters 6 Pack reflectors and grow lights provide improved root aeration and

provide improved root aeration and drainage

• 24V power supply

Grapes (all)

Tomatoes - Preventative: 1-3 P

Internal capacity markings

28x34x1 MERV 13 AC Furnace Filters 6 Pack reflectors and grow lights provide improved root aeration andNordic 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