21x23_1/4x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack meters-&-solutions • Important in optimizing plant

• Important in optimizing plant growth

solvent is distilled and recovered

TSH-1 can control EC fans etc

TTT 2100 Full set of nets 1/2"

Warranty 3-Year Limited

21x23_1/4x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack meters-&-solutions • Important in optimizing plantNordic 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