17_1/8x34_7/8x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack Growing Media suit for all plants whole

suit for all plants whole satge indoor growing

Working temperature - 20-50℃

How long does the filter last

High cation exchange capacity (CEC)

Each towelette comes in an individually wrapped packet that is easy to slip into a purse

17_1/8x34_7/8x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack Growing Media suit for all plants wholeNordic 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