11_1/2x21x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack Travel Bags & Backpacks · Lamps used beyond their

· Lamps used beyond their recommended life are more prone to bursting and can cause serious injury

3 to 85 PSI

Audible alarm for low/high CO2 levels

Made with all-natural ingredients

durable steel and top-tier quality bearings

11_1/2x21x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack Travel Bags & Backpacks · Lamps used beyond theirNordic 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