Anself CO2 Generator System Kit with Pressure Gauge Safe Vavle Air Flow Adjuster

Description

Anself CO2 Generator System Kit with Pressure Guage Safe Vavle Air Flow Adjuster for Aquarium
Fully installed, direct to use and labor-saving.
Well-sealed pipes, leak-proof, non-deformed, never loose.
Specialized pressure guage for safe-area indication, pressure watching.
Automatic or manual decompression for safer usage and operation.
Metal air flow adjustment vavle is preciser than normal plastic product. Cheap, simple to create pure CO2 constantly by chemical reactions.