The Active Air CO2 Test Kit is an inexpensive alternative to costly electronic monitors
Adjust the placement position to your preferred height during installation
5L FloraSprayer provides adjustable flow options for the most effective watering
or irrigation line
Connects two 16-17mm FloraFlex Double Layered Tubing pieces at a 90° angle
22x24x1 MERV 13 AC Furnace Filters 6 Pack control system The Active Air CO2 TestNordic Pure MERV 13 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, smoke particles, virus carriers, coughs and sneezes, smog, allergens and other contaminants are removed. MERV 13 furnace filters are comparable to HVAC filters with the rating of MPR 2200