CO2 Alarm Station (Blue light)（AS-4） Water Pumps Aeration & Irrigation This patented two-piece sealing system

This patented two-piece sealing system is very easy to use

No external switches or adjustable buttons

BuildASoil brings you sulfur that you can introduce into your soil as a soil amendment

it increases and accelerates germination and enhances the rapid development of a healthy root system

fragrant blossoms and appealing glossy foliage

CO2 Alarm Station (Blue light)（AS-4） Water Pumps Aeration & Irrigation This patented two-piece sealing systemThe AS 4 CO2 Alarm Station with an Blue light alarm module comes with a Blue light LED display indicator and a LCD digital ppm level reading. It is designed to be mounted outside of the space to be monitored, and will display the CO2 ppm level. The AS 4 can be linked to either the low or the high level CO2 sensors, or it can be linked to both sensors for complete redundancy. The AS 4 will sound an audible alarm and blink the Blue LED indicator in the