13x21_3/4x1 Exact MERV 12 AC Furnace Filters 6 Pack Grow System/ Trays/ Reservoirs Azos is an all-natural

Azos is an all-natural

Will easily hold and grab objects 2

Filling reservoirs for compost teas and microbial inoculants sensitive to chlorine and chloramines

Light Size: 575*610*94MM

Minimum Order to be placed of 2 units

13x21_3/4x1 Exact MERV 12 AC Furnace Filters 6 Pack Grow System/ Trays/ Reservoirs Azos is an all-naturalNordic 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