6x20x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack pots • Longevity—90% PAR output at

• Longevity—90% PAR output at 8

recycle timers

50% higher yield and plant quality with max yield up to 2

Enviromat®

6x20x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack pots • Longevity—90% PAR output atNordic Pure Custom MERV 12 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