16_1/2x21x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack botanicare CO2 Deadband Range: 20-200 PPM

CO2 Deadband Range: 20-200 PPM

power consumption of 22

(1) Case of LC1-1" Oasis cubes (enough for approximately 3 months)

It has become well known that growing plants in soil for harvest depletes soil nutrient reserves

16_1/2x21x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack botanicare CO2 Deadband Range: 20-200 PPMNordic 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