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

However it can also be used for display purposes in which case it can be kept permanently on the patio to show off your finest specimens

Manual calibration is only needed every 6 months for heavy users

Item # Description Box Dimension Gross lbs CS/QTY UG-CAP1000 UltraGrow – 1

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