13x21_3/4x1 Exact MERV 8 AC Furnace Filters 6 Pack Aeromixer Synthetic Pro Edition 200K (Flower) & 4

200K (Flower) & 4

Because the interior media is coco

Derived from plant protein hydrolysate

The 750DS runs HPS bulbs only

watertight base tray

13x21_3/4x1 Exact MERV 8 AC Furnace Filters 6 Pack Aeromixer Synthetic Pro Edition 200K (Flower) & 4Nordic Pure MERV 8 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 and other contaminants are removed. MERV 8 furnace filters are comparable to HVAC filters with the rating of MPR 800. While different companies use different scales to measure the air filters