15_1/2x29x1 Exact MERV 13 AC Furnace Filters 6 Pack grow-systems-trays-reservoirs The Twister T4 is legendary

The Twister T4 is legendary in the industry as the workhorse trimmer that simply gets the job done

per 100 gallons

• Contains a higher amount of horticultural perlite for plants that prefer greater air porosity

For indoor & outdoor use

15_1/2x29x1 Exact MERV 13 AC Furnace Filters 6 Pack grow-systems-trays-reservoirs The Twister T4 is legendaryNordic 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