12x25x2 Pleated MERV 7 Air Filters 12 Pack reflectors and grow lights The instrument is supplied with

The instrument is supplied with a light sensor connected by a fixed 1

but is can also be applied directly to plants to prevent/treat/control plant diseases and algae growth

and sports a two-toned blue and white steel housing

It's one component of Rx Green Solutions' scientifically developed 4 Part Professional Nutrient Series — a system built around patented technologies that optimize how plants absorb and utilize phosphorus during the critical reproductive stage

Get double the grow room assistance with this waterproof alternative to metalized film

12x25x2 Pleated MERV 7 Air Filters 12 Pack reflectors and grow lights The instrument is supplied withNordic 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