17_1/8x34_7/8x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack Growing Media How long does the filter

How long does the filter last

The Road Kit will effectively neutralize odors in a standard size SUV or Sedan in 5 minutes

High cation exchange capacity (CEC)

suit for all plants whole satge indoor growing

Tablespoons

17_1/8x34_7/8x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack Growing Media How long does the filterNordic 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