22x23x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack environmental Each carbon filter features premium-grade

Each carbon filter features premium-grade Australian Virgin charcoal bed rated at 1200+ IAV

5 liter (1

• Power cord

the Germination Station comes complete with a 72-cell seedling insert

Aeromixer NOT included

22x23x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack environmental Each carbon filter features premium-gradeNordic Pure Custom MERV 13 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