10x24x1 Pleated MERV 8 Air Filters 12 Pack disinfectant Autopilot's digital CO2 controller measures

Autopilot's digital CO2 controller measures the carbon dioxide level in the grow room and automatically turns on and off the CO2 device to accurately keep the carbon dioxide PPM at the desired level

ensure one additive to mix in the solution very well before adding the other to minimize the formation of calcium-phosphate bonds

Root bound pots can be fed 1 to 6 times a day (depending on size of plant and size of container it is in)

Size: 38x20

durable plastic construction means you'll be seeing them in your garden and grow room for years

10x24x1 Pleated MERV 8 Air Filters 12 Pack disinfectant Autopilot's digital CO2 controller measuresNordic Pure MERV 8 Pleated AC Furnace Air Filters provide exceptional filtration for both home and commercial environments. Each time air passes through a Nordic Pure pleated furnace air filter, lint, dust, pollen, bacteria, pet dander, dust mites, mold spores and other contaminants are removed. MERV 8 furnace filters are comparable to HVAC filters with the rating of MPR 800. While different companies use different scales to measure the air filters