16_1/2x22x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack jg Our product has ZERO dyes

Our product has ZERO dyes or food Coloring

Eliminates the need for using Teflon Tape during manifold assembly

000-watt single-ended HPS lamps

Produces more PAR per watt than standard Metal Halide

Add 2-7 mL of Athena Bloom B per gallon of water during the flowering phase

16_1/2x22x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack jg Our product has ZERO dyesNordic Pure Custom MERV 13 Plus Carbon air filters are made based on the actual measurements so be sure to measure your current filter to get the EXACT dimensions before ordering. As with all Nordic Pure filters, the effective life of your filter depends on the environment in which you live. We recommend changing 1 and 2 filters every 30 90 days. Our 4, 5 and 6 inch thick filters could last up to 6 months. EXACT MEASUREMENT: Furnace and air condition