24x30x1 Pure Carbon Pleated Odor Reduction Furnace Air Filters 6 Pack beneficial microbes The BETA-8 CO2 controller offers

The BETA-8 CO2 controller offers a precision CO2 NDIR sensor / controller in an affordable easy-to-use package

Temperature Sensors: 2 (for two rooms 12/12)

If the plants don’t get the nutrients they need they will show a nutrient deficiency

High density food-grade polyethylene is 100% freezer and dishwasher safe

24x30x1 Pure Carbon Pleated Odor Reduction Furnace Air Filters 6 Pack beneficial microbes The BETA-8 CO2 controller offersPure Carbon Pleated Odor Reduction AC furnace air filters by Nordic Pure are made with a durable non woven polyester base media infused with naturally derived charcoal and coconut shells, created to eliminate odors in your office or home. Whats special about carbon? While traditional electrostatic air filters capture airborne particles, activated carbon furnace filters absorb odors on a molecular level. This means harmful vapors and strong odors are