11_1/2x21x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack Air Filter These high quality materials deliver

These high quality materials deliver an odor locking power unrivaled by any other dufllebag on the market

It securely holds the 6 in FloraCap® allowing anyone to easily transition to the new PotPro™ System

Perfect for small to medium growers

ALWAYS FRESH

11_1/2x21x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack Air Filter These high quality materials deliverNordic 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