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Ships within 48 hours · Estimated delivery Sep 7 - Sep 12
setting a new standard for excellence and functionality
Back Flow Protection : Air gap in the fill cap prevents pressure built up
pH and temperature readings are time and date stamped
Ships via Overnight methods on Wednesdays only
If your Ph is getting too high
20x21_1/2x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack chillers-heaters-and-purification setting a new standard forNordic Pure Custom MERV 8 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
