17_1/2x21x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack Monitors & Timers Soft & Random start plug

Soft & Random start plug and play technology

The Autopilot ECLIPSE F90 Master Environmental Controller allows growers to precisely control and monitor temperature

Flame is very effective in both Soil and Hydroponic gardens

and an additional power outlet for the IceCAP supplemental cooling accessory

and the planet

17_1/2x21x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack Monitors & Timers Soft & Random start plugNordic Pure Custom MERV 10 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