28x32x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack bloom boosting inlet pressure to 70

boosting inlet pressure to 70 psi

worry free in high humidity growing environment

The roll also makes it easy to store

BPA-free and UV resistant

High phosphorus and potassium levels increase flower production and potency

28x32x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack bloom boosting inlet pressure to 70Nordic Pure Custom MERV 7 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