16x24x4 (3 5/8) Pleated MERV 15 Air Filters 1 Pack co2 GROW1 has packaged this proven

GROW1 has packaged this proven technology into a compact

Each pot holds two gallons of your favorite media

Rugged and durable with waterproof connectors

Specialized electrode for spot checking the pH of soil and soil slurries

Bio·Bloom™can be used from the flowering period till the harvest

16x24x4 (3 5/8) Pleated MERV 15 Air Filters 1 Pack co2 GROW1 has packaged this provenNordic Pure 16x24x4 Pleated Air Filters MERV 15 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home. Each time air passes through a Nordic Pure pleated furnace filter, lint, household dust, pollen, dust mites, pet dander, smoke particles, smog, allergens, virus carriers, bacteria, mold spores and other contaminants are removed. All Nordic Pure pleated air filters are manufactured