Aquarium DIY CO2 Regulator Bubble Counter， Aluminum Alloy Single/Double head CO2 Bubble One-way Carbon Dioxide Measuring Device

Power : noIs Smart Device : NOMaterial: : Aluminum alloy + AcrylicModel 1 : W00-02A single headModel 2 : W00-01B double headAquarium CO2 Bubble CounterFeatures:Made of high quality material, which will be durable and reliable.With non-return function to prevent 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.East 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.Specifications:Condition: 100% Brand NewItem Type: Bubble CounterMaterial: Aluminium Alloy & AcrylicOptional Type: Double Head, Single HeadInstall 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.(Manual measurement error 1-3cm) Please understand