8x18x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack lighting-&-electrical-components Frequency Range – 50~60Hz

Frequency Range – 50~60Hz

broad mites

8" x 32" Standard Carbon Air Filter

• Open air calibration procedure

MICRO is comprised of a high quality nitrogen and calcium base

8x18x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack lighting-&-electrical-components Frequency Range – 50~60HzNordic 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