12x20x2 Pleated MERV 7 Air Filters 3 Pack controllers The result of months of

The result of months of scientific research and trials is Grodan Gro-Blocks Improved with Grodan’s Advanced Wetting Agent

Dim using the ParfactWorks master controller to create ideal lighting levels as needs change from veg to bloom for various crops throughout their growth cycles

Electrical Port Quantity: 2 (3")

heating and cooling transportation

Socket Type Mogul E39

12x20x2 Pleated MERV 7 Air Filters 3 Pack controllers The result of months ofNordic 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