28x36x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack New-releases and as a hydroponic medium

and as a hydroponic medium

The patented design allows users to control flow rate with ease thanks to the innovative hex key plunger system

5 horsepower leaf collector suction system and CenturionPro's unique triple-bag kief filtration & trim collection system

They can mount to walls and ceilings

28x36x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack New-releases and as a hydroponic mediumNordic Pure Custom 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 condition