13x23x1 MERV 7 AC Furnace Filters 6 Pack spl_luxx the duct fan uses a

the duct fan uses a mixed flow design using a stator blade and dual hydrodynamic wind circles

Ideal for Integrated Pest Management (IPM) programs

Phytophthora (blights

Heavy red spectrum for superior flowering performance

stores and releases energy as needed

13x23x1 MERV 7 AC Furnace Filters 6 Pack spl_luxx the duct fan uses aNordic Pure MERV 7 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 7 furnace filters are comparable to HVAC filters with the rating of MPR 600. While different companies use different scales to measure the air filters