28x32x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack Led Low resolution voltage control doesn’t

Low resolution voltage control doesn’t allow for proper adjustment of flow

Smell-proof

Spider Mites (Tetranychidae) and other soft bodied insects

keeping your flowers trichome rich and ready for the premium flower market

28x32x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack Led Low resolution voltage control doesn’tNordic 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