17_1/2x27x1 Trane Replacement MERV 12 Plus Carbon AC Furnace Filters 6 Pack Liquid & Weight Measuring 1 x 4ft RJ12 Cable

1 x  4ft RJ12 Cable

56 x PotPro™ | Platform

Can cut up to 1

Multi Purpose Indoor Grow Tent

17_1/2x27x1 Trane Replacement MERV 12 Plus Carbon AC Furnace Filters 6 Pack Liquid & Weight Measuring 1 x 4ft RJ12 CableNordic Pure Trane Replacement MERV 12 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