Made of premium material, which will be durable and reliable
With non-return function to avoid the backflow when the pressure changes, and this can ensure the water plant table and CO2 bottle from damage
It can count the volume of carbon dioxide and supply the plants with enough carbon dioxide
Easy to install and use, a good choice to make your fish tank different
Double head and single head are available, you can choose according to your needs
Item Type: Bubble Counter
Material: Aluminium Alloy & Acrylic
Color: Silver
Optional Type: Double Head, Single Head
Double Head Size: Approx. 8.2 * 2cm / 3.2 * 0.8inch(L * D)
Single Head Size: Approx. 8 * 2cm / 3.1 * 0.8inch(L * D)
Package Weight: Approx. 32~34g

Install Method:
Single Head Bubble Counter:
1. Take out the seal ring and install on the trachea interface of the valve, then tighten the bubble counter.
2. Add 4/5 water in the bubble counter and then tighten the top cover. Plug the CO2 pipe and then tighten the trachea fastening nut.
Double Head Bubble Counter:
Add 4/5 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