17_1/4x17_1/4x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack Trimmers 10 Million: up to 3

10 Million: up to 3

ecommerce and florist professionals: Use as a general purpose

This combination makes the meter particularly designed to withstand harsh environments such as fertilizer solutions

Available in 10 sizes

17_1/4x17_1/4x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack Trimmers 10 Million: up to 3Nordic Pure Custom MERV 14 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