22x22x1 MERV 14 AC Furnace Filters 6 Pack ventilation and ducting Package Dimensions: 160mm(L) x 86mm(W)

Package Dimensions:               160mm(L) x 86mm(W) x 86mm(H)

The System100's patented design and industrial grade components ensures efficient and reliable compost tea production

and non-combustible: As a 100% mineral product it will not rot

which means its built to last but wont harm or scratch your tumbler

(36) Non-sterile glass culture tubes in a reusable tray

22x22x1 MERV 14 AC Furnace Filters 6 Pack ventilation and ducting Package Dimensions: 160mm(L) x 86mm(W)Nordic Pure MERV 14 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 14 furnace filters are comparable to HVAC filters with the rating of MPR 2800.