15x18x1 Exact MERV 13 AC Furnace Filters 6 Pack bio-organic fertilizer The uniform distribution of water

The uniform distribution of water and nutrients throughout the block allows for more efficient use of the entire substrate volume Full saturation of the blocks with no dry spots and improved EC control with less water is achieved in the rootzone due to the uniform

Red Sodiums are recommended for situations where high output supplemental light is preferred

1800 lumens

1 x 4 ft RJ12 to PushLock Waterproof Connector converter cable

RoHS compliant

15x18x1 Exact MERV 13 AC Furnace Filters 6 Pack bio-organic fertilizer The uniform distribution of waterNordic 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