16x24x1 Pure Green Plus Carbon Eco-Friendly AC Furnace Air Filters 6 Pack light Certified mylar plant friendly

Certified mylar plant friendly

Broad Mites (Polyphagotarsonemus latus)

All materials are safe for dry food and herb storage (but not long term home canning—please do not use these for canning)

The gel-filled pH electrode is provided with a waterproof sleeve to protect the BNC connector

DERIVED FROM: Calcium Nitrate

16x24x1 Pure Green Plus Carbon Eco-Friendly AC Furnace Air Filters 6 Pack light Certified mylar plant friendlyPure Green Plus Carbon Eco Friendly AC Furnace Air Filters by Nordic Pure starts with an environmentally responsible non woven, high loft, antimicrobial filter media made of fine gauge polyester. As we continue to keep our eyes on media technology advances, our Pure Green media will be changing its appearance. Please expect the same quality and performance you have come to rely on from our Pure Green media which will now be white in color on the