23_1/4x29_1/4x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack sprayers Rated for a continuous worry-free

Rated for a continuous worry-free operation and available in seven different sizes and CFM ratings

Supports Up to 100 Ballasts Per Group – Scale effortlessly across large commercial operations without needing multiple controllers

relative humidity (RH) and temperature (T) measurement as well as a light detection photocell in an innovative solution

Secondary Lights (5 each

23_1/4x29_1/4x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack sprayers Rated for a continuous worry-freeNordic 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