13x21x1 Exact MERV 13 AC Furnace Filters 6 Pack Grow Tents The tumbler brush fits the

The tumbler brush fits the Twister T2 and all older models

This means harmful vapors and strong odors are trapped and neutralized

As a repellent to keep insects away from the treated area

Cut through green or dry branches up to 2-Inch thick

• Use on powdery mildew

13x21x1 Exact MERV 13 AC Furnace Filters 6 Pack Grow Tents The tumbler brush fits theNordic 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