25x30x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack bloom nutrients Designed specifically for the dry

Designed specifically for the dry ice extraction process

Operating pressure range is 4

releasing a measured amount of carbon dioxide

these small and otherwise unthreatening pathogens can bypass the immune system

Traditional fabric pots need upfront substrate

25x30x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack bloom nutrients Designed specifically for the dryNordic 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