16_1/2x21_5/8x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack misc and CO2 from one centralized

and CO2 from one centralized unit

(1) Timer TN311C

Complete Product Catalog

strengthen core plant structure

· Never operate a lamp above or below its rated current or voltage

16_1/2x21_5/8x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack misc and CO2 from one centralizedNordic Pure Custom MERV 10 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