15x23x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack Sprayers and Wands Select between 1 hour to

Select between 1 hour to 1 week intervals that can last from 1 to 120 minutes

It develops into the adult stage in about one third the time required by other mite predators

Premium aluminum frame with CNC-machined detailing

Control: Built-in digital control with display

Assembled Dimensions - 23" x 18" x 17"

15x23x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack Sprayers and Wands Select between 1 hour toNordic 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