21x27x1 Trane Replacement MERV 12 Plus Carbon AC Furnace Filters 6 Pack Paleo Bloom CO2 devices and heaters) to

CO2 devices and heaters) to the designated outlet within the Niwa Grow Hub+

5 (Slave Trolley)

Dimensions: 2’x4’x4’11”

and you're set

21x27x1 Trane Replacement MERV 12 Plus Carbon AC Furnace Filters 6 Pack Paleo Bloom CO2 devices and heaters) toNordic Pure Trane Replacement 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