12x25x1 Pleated MERV 12 Air Filters 6 Pack pumps-and-irrigation-supplies Professional growers around the country

Professional growers around the country recognize and highly recommend K-L-N to speed up propagation  of cuttings in all growing media

250 BTU an hour

and for all types of modern growing systems from field to greenhouse to hydroponics

or rockwool

With 12% available phosphorous and 20% available calcium

12x25x1 Pleated MERV 12 Air Filters 6 Pack pumps-and-irrigation-supplies Professional growers around the countryNordic Pure MERV 12 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, allergens and other contaminants are removed. MERV 12 furnace filters are comparable to HVAC filters with the rating of MPR 1500 1900. While different