18x18x1 Pure Green Eco-Friendly AC Furnace Air Filters 6 Pack Reflective & Greenhouse Films Thermal Management - Passive

Thermal Management - Passive

the plant is better prepared to absorb nutrients

such as anaerobic microbial growth and biofilm buildup

Hydrofarm makes it easy to "bring your own bag

7 gal 3 mm HGB5GAL 9

18x18x1 Pure Green Eco-Friendly AC Furnace Air Filters 6 Pack Reflective & Greenhouse Films Thermal Management - PassivePure Green Eco Friendly AC Furnace Air Filters by Nordic Pure are made from an environmentally responsible non woven, high loft, antimicrobial filter media. The MERV 6 rating has a lower pressure drop, minimizing energy consumption while maintaining a high dust holding capacity. 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