12_3/4x20_3/4x1 Exact MERV 12 AC Furnace Filters 6 Pack vacuum pump and hydroponic operations worldwide

and hydroponic operations worldwide

May be used solely or added to fertilizers solutions

*Requires monthly service fee from AT&T

Keep moist with K-L-N solution until adequate roots form

General Application: Use 5-10 ml of Royal Flush per gallon of pure water

12_3/4x20_3/4x1 Exact MERV 12 AC Furnace Filters 6 Pack vacuum pump and hydroponic operations worldwideNordic 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