17x29x1 Exact MERV 8 AC Furnace Filters 6 Pack Reflectors & Grow Lights Pressure Regulator - 3/8" QC

Pressure Regulator - 3/8" QC fittings makes sure no more than 85 psi reaches filter to prevent cracking to clear housing

Instead of your plants fighting biotic stress

and molds as they try to break down the plant cell wall

Electrifying

This Product Controls These Pests or Diseases: Can be used to control the following insects/pathogens: Alfalfa Worms

17x29x1 Exact MERV 8 AC Furnace Filters 6 Pack Reflectors & Grow Lights Pressure Regulator - 3/8" QCNordic 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