25x28x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack Tents & Tarps It can be used with

It can be used with our nutrients or with your current feeding program

stopping feeding almost immediately after ingestion

Food-safe silicone gasket

Won’t crack or break

Compatible with hydrogen peroxide

25x28x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack Tents & Tarps It can be used withNordic 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