22x24_1/4x1 MERV 10 Plus Carbon AC Furnace Filters 6 Pack Grow Light Ballasts Nordic Pure 12x20x1 MERV 10

Nordic Pure 12x20x1 MERV 10 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer

and feature an 11" open end for sealing

One of the main advantages of the Herbva 5G is that it reaches proper heating temperature very quickly

Designed specifically for enhanced quality and increased yields in versatile

Two square obeservation windows on the front door

22x24_1/4x1 MERV 10 Plus Carbon AC Furnace Filters 6 Pack Grow Light Ballasts Nordic Pure 12x20x1 MERV 10Nordic Pure Custom MERV 10 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