20x25x6 Aprilaire Space-Gard 2200 Replacement Air Filter Part 201 MERV 10 Plus Carbon 1 Pack house and amp My EC dropped and my

My EC dropped and my plants still looked better than ever — the biology in this stuff is real

Gives your plants a micro-climate zone allowing you to grow crops that are not hardy in your planting zone

The Grow Flow Expansion Kit includes six growing modules

Elastic closures on both ends of sleeves for snug

The natural materials are all FDA food grade and GRAS (generally recognized as safe) materials

20x25x6 Aprilaire Space-Gard 2200 Replacement Air Filter Part 201 MERV 10 Plus Carbon 1 Pack house and amp My EC dropped and myNordic Pure 20x25x6 Aprilaire Space Gard 2200 Replacement Air Filters Part 201 MERV 10 Plus Carbon are made of a dual material where the MERV rated material has been fused together with a carbon layer. This results in less flow restriction and 33% more surface area for cleaner smelling air. It will help eliminate unwanted odors as well as trap most airborne dust and particulate matter for fresh, clean air. Odorous gases and vapors (VOC) are attracted