TrolMaster AS-4 CO2 Alarm Station (Blue Light) house and amp these flanges can also be

these flanges can also be reversed to extend the life of the filter

and Zinc (Zn) of 0

Developed to promote healthier root structures and easy plant transportation

(2) channel scrub brushes

TrolMaster AS-4 CO2 Alarm Station (Blue Light) house and amp these flanges can also beTrolMaster AS 4 CO Alarm Station with Blue LED & Digital PPM Display Enhance safety in your grow facility with the TrolMaster AS 4 CO Alarm Station. Designed to be mounted outside your grow room, the AS 4 continuously monitors carbon dioxide (CO) levels using input from either the AL 1 or AL 2 CO sensorsor both for full redundancy. Equipped with a vibrant blue LED indicator, audible alarm, and LCD digital display, this module immediately alerts you if