21x23_1/4x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack water-filtration Phat Filters are packed full

Phat Filters are packed full with the very best carbon on the market… and we have the independent lab test numbers to prove it

the level of water in the canister rises to expose more uncoated electrode surface

Dispose of contents and container as per local regulations

one or two points Temperature Compensation automatic from 0 to 50°C (32 to 122°F) Battery Type/Life CR2032 3V Li-Ion (1 pc

The 5771 Multi-Pleat 11 is produced with a highly specialized

21x23_1/4x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack water-filtration Phat Filters are packed fullNordic 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