14_1/2x27_1/2x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack LED This feature reduces the number

This feature reduces the number of power cords and electrical sockets needed when operating multiple fixtures in a confined area

take repeat application to eliminate the problem

From the household hobbyist to the commercial level grower

voted High Times Magazine product of the year for three years running

Twister Blade Adjuster Knob T4

14_1/2x27_1/2x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack LED This feature reduces the numberNordic 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