10x10x1 Pleated MERV 13 Air Filters 6 Pack reflectors and grow lights This durable and high quality

This durable and high quality 4"

A premium blend of pH controls and pure mineral salts

Provide excellent weather protection for all your plants

• Internal Check Valve

10x10x1 Pleated MERV 13 Air Filters 6 Pack reflectors and grow lights This durable and high qualityNordic 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