22x30x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack aaron 1' connector cable connects up

1' connector cable connects up to 4 units

Floating raft system with air stone

Multi Flow Bubbler

Exhaust fans with high CFM ratings can create too much negative air pressure that the canvas walls flex inward

The resilient multi-ply bag material locks air out

22x30x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack aaron 1' connector cable connects upNordic 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