8x20x1 Pleated MERV 13 Air Filters 6 Pack spl_spectrumking uses 6 Full Spectrum QB®

uses 6 Full Spectrum QB® 200 Quantum Boards® for an even light spread at just 20" from the canopy

48 x PotPro™ | 6" Short (1/2) Gallon)

Manual calibration is only needed every 6 months for heavy users

0 perpendicular to the direction of travel

rooting cutting and/or low-light growing conditions

8x20x1 Pleated MERV 13 Air Filters 6 Pack spl_spectrumking uses 6 Full Spectrum QB®Nordic Pure MERV 13 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, smoke particles, virus carriers, coughs and sneezes, smog, allergens and other contaminants are removed. MERV 13 furnace filters are comparable to HVAC filters with the rating of MPR 2200