20x20_1/2x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack Nutrients and Supplements With an N-P-K of 2-0-2

With an N-P-K of 2-0-2

We sell tracks in 2’

The ONA Storm is ideal for neutralizing airborne odors in larger facilities such as schools

No more ropes hanging everywhere

This unique component is able to reduce the noise of the Silver Bullet by 30%

20x20_1/2x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack Nutrients and Supplements With an N-P-K of 2-0-2Nordic 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