11 1/4x11 1/4x1 Exact MERV 7 AC Furnace Filters 12 Pack timers-and-instruments Their surgical stainless steel blades

Their surgical stainless steel blades offer serious cutting capacity in a lightweight package

The HP3 plugs into a 110 volt

Speed: 1150RPM

Recommended for indoor or outdoor growing situations

• Orders ship Monday through Wednesday

11 1/4x11 1/4x1 Exact MERV 7 AC Furnace Filters 12 Pack timers-and-instruments Their surgical stainless steel bladesNordic 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