This tool is made of high grade stainless steel material, which is anti-, abrasion resistant, glossy and durable. High quality stainless steel needle micro-metering valve with high precision, easy to release CO2 by fine tuning. Special metal-grinded surface, light weight, easy to operate.

Specification:
Item Type: Aquarium System Accessory
Material: Stainless Steel
Optional Style: 01#Single Head Micro-metering Valve for Gauge, 02#Dual Head Micro-metering Valve for Hose, 03#Single Head Micro-metering Valve + Bubble Counter, 04#Dual Head Micro-metering Valve + Bubble Counter
Item Color: As Pictures Shown
Package Weight: Approx. 47-83 g / 1.6-2.9 oz

Package Include:
1 * Aquarium System Accessory