17x22x1 MERV 13 AC Furnace Filters 12 Pack chillers-heaters-and-purification Plasma Air ionizers are designed

Plasma Air ionizers are designed to produce minimal to no ozone

Gold Label HydroCoco 60/40 is a mix of 60% Gold Label Hydrocorn (clay pebbles) and 40% Coco

Outside Diameter: 31 cm / 12

No matter the name of the rating

By swapping the traditional lid with the colonizer lid after adding grain to the substrate

17x22x1 MERV 13 AC Furnace Filters 12 Pack chillers-heaters-and-purification Plasma Air ionizers are designedNordic 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