2 Types Single/Double Aquarium Water Plant CO2 Non-return Bubble Counter Fish Tool

Specifications: Item Type: Bubble Counter Material: Aluminium Alloy & Acrylic Color: Silver Optional Type: Double , Single Double Size: Approx. 8.2 * 2cm / 3.2 * 0.8inch(L * D) Single Size: Approx. 8 * 2cm / 3.1 * 0.8inch(L * D) Package Weight: Approx. 32~34g

Install : Single Bubble Counter: 1. Take out the and install on the trachea interface of the valve, then tighten the bubble counter. 2. Add 4/ water in the bubble counter and then tighten the top cover. Plug the CO2 pipe and then tighten the trachea fastening nut. Double Bubble Counter: Add 4/ water in the bubble counter and then tighten the top cover. Plug the CO2 pipe and then tighten the trachea fastening nut.

Package Include: 1 x Bubble Counter Label: Yes