14x22x1 Exact MERV 7 AC Furnace Filters 12 Pack food-&-water-storage PAR micromles are measured between

PAR micromles are measured between 400 and 700 nanometers

The Active Air Heavy Duty 16" Pedestal Fan provides superior air circulation with excellent durability

and it slides from 66 to 108 inches

Heavy Harvest Compost Tea Bags will allow you to achieve the healthiest biological production possible

First umbrella-type reflectorCompatible with HPS and CFL lamps (600W max)Security with thermal protection+40% light efficiency compared to standard reflectors (1800 µmol/m²/s)Can be set closer to plants without over heatingVoltage 400VPower 600W

14x22x1 Exact MERV 7 AC Furnace Filters 12 Pack food-&-water-storage PAR micromles are measured betweenNordic 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