Use as a nutrient or supplement during all applicable stages of plant growth
allowing for maximum effectiveness
This will restore reflector performance—and thus system performance—to like-new quality
Features and Benefits: Deep guard design for unmatched performance
Works for all Hydrofarm reflectors
20x22x1 Pleated MERV 14 AC Furnace Filters 24 Pack shoe-cover Use as a nutrient orNordic Pure MERV 14 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 14 furnace filters are comparable to HVAC filters with the rating of MPR 2800.