17_1/4x23_1/4x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack double-ended - Sophisticated controller for experienced

- Sophisticated controller for experienced growers

fruit & nut trees

000 ft) and Low Altitude (below 5

Ideal for growers using aeroponic EZ-Clone machines

Includes four wood screws and four machine screws with nuts to mount the ventilation grille onto a cabinet or wall

17_1/4x23_1/4x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack double-ended - Sophisticated controller for experiencedNordic Pure Custom MERV 8 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