Non-return bubble recorder

Metal parts, beautiful and exquisite

The choice of quality, the materials are different

The design of screw cap locking teeth effectively locks the CO2 trachea

Prevent accidents caused by loosening

Single card non-return bubble register (silver)

Double card interface non-return bubble recorder

Material of non-return bubble recorder

Aluminum alloy body + copper valve seat, thick acrylic pipe wall, clearly visible bubble

Safe and high pressure resistant, built-in precision designed check valve

Metal anti-reverse bubble counter, beautiful and detailed, high-strength anti-reverse, can be adjusted together, visual CO2 bubble volume

Color options: silver, blue, gold, rose red, purple, black and gray