High quality Generator Pressure Reducing Valve System CO2 Atomizer Diffuser Fish Tank CO2 Refiner

Label:Yes Length:70/250/300/350mm Material: Aluminum alloy Type: CO2 Refining Machine Diameter: 30mm Suitable for CO2 tubes with an inner diameter of 4mm Feature: 1. Easy to install. 2. Excellent carbon dioxide dissolution rate. 3. Provide an elegant appearance for your fish tank. Package includes: 1*Air Refiner 1*Regulating valve 1*Non return valve Note: Due to manual measurement, the product size has an error of 1-2mm, I hope you can understand.