16x22_1/4x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack spl_spectrumking It’s easy to recharge the

It’s easy to recharge the device with the use of any standard Micro USB charger

Everything you need to grow fresh herbs all year round

American Made

- Super Lightweight

16x22_1/4x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack spl_spectrumking It’s easy to recharge theNordic 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