14x22x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack plant-care/pest-&-disease-control #714215 is shipped in a

#714215 is shipped in a poly bag inside a cardboard carton

USB plug can power the fan through USB ports found behind popular AV electronics and game consoles

This duct grille was designed to be wall mounted and connected to ducting to act as an air intake or exhaust in various ventilation

The LED indicator will blink to show the PPM level in increments of 100

14x22x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack plant-care/pest-&-disease-control #714215 is shipped in aNordic 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