15x36x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack rock-bottom 000 ppm sensor in a

000 ppm sensor in a self-aspirated enclosure

Spray within the confines of the shield

Plant Doctor prevents and controls a myriad of plant diseases

and not directly to the fans themselves

15x36x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack rock-bottom 000 ppm sensor in aNordic 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