Storagetech™ Model 1200 Storage Tank Vent CO2 (Carbon di-oxide) Absorbers are equipped with replaceable MMHasso™ Filter cartridges that contains cells and particulate filters. Storagetech™ designs and manufactures Low-Pressure-Drop CO2 Scrubber /CO2 Absorber to remove CO2 gases from the airflow during emptying and filling of storage tanks and already exist CO2 inside of the storage tank. Storagetech CO2 Scrubber/CO2 Absorber which particularly designed with new technology for Condensate, demineralized water tank and other storage tank vents. The most common design is use of 4-stage asymmetric structure active filtration principle in which MMHasso™ Filter cartridges is embedded inside the filter media. CO2 Scrubber & Absorbers are mounted on the breather valve of the tank. It very well maybe gathered either on the top of the tank or on the ground. The CO2 filtration effectiveness up to 100% empowers a high caliber of demineralized water.