23_1/4x29_1/4x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack botanicare 100% soluble product derived from

100% soluble product derived from urea phosphate

and an alarm to start the fans if temperatures reach a high threshold

so feet are more cool and comfortable even as you sweat

It can be fully or partially inserted into your duct work using the rubber rings to hold itself in place

HANNA's exclusive cartridge pH and ORP electrode

23_1/4x29_1/4x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack botanicare 100% soluble product derived fromNordic 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