Iumer Copper Needle Valve Regulator Aquarium Fish Tank CO2 Bubble Counter,S

Description

Size:Small Iumer Copper Needle Valve Regulator Aquarium Fish Tank CO2 Bubble Counter Description: Brand:Iumer Material:Copper Size: S:Length and width is about 1.50 * 1.14inch, error is about 0.08inch M:Length and width of about 1.69 * 1.14inch, error of about 0.08inch Feature High quality copper needle micro-metering valve with high precision, easy to release CO2 by fine tuning. Special metal-grinded surface, light weight, easy to operate.