22x29x1 MERV 12 AC Furnace Filters 6 Pack control system Stop use two weeks prior

Stop use two weeks prior to harvest

Small size: 6" x 7" x 10"

Rounding out these systems is your choice of the PHRW010 (Open) Reflector or PHRS010 (Enclosed) Reflector and a premium European-made DE lamp with rated PAR output of 2100 µmol/s

PC window and stainless steel 1/4 National Pipe Thread bottom connection the internal components and connections are all stainless steel and will not corrode

22x29x1 MERV 12 AC Furnace Filters 6 Pack control system Stop use two weeks priorNordic 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