18x22x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack botanicare they have a diamond pattern

they have a diamond pattern bottom to offer skid resistance and durability

Fits (1) 10"x20" propagation tray

Perfectly spaced diodes achieve the best foot print possible and UV and IR provided from the fixture create a well-rounded resinous plant

Maximum of 1 hour REI when applied in enclosed environments

the Promix Myco product contains 6000 spores per gram on average (12x More

18x22x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack botanicare they have a diamond patternNordic Pure pleated AC air filters are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home or office. Each time air passes through a Nordic Pure pleated furnace filter, lint, household dust, pollen, dust mites, pet dander, baking flour, mold spores and other contaminants are removed. Our filter media prevents the growth of bacteria or mold, resulting in a much healthier living space.