Pinafresa CO2 Bottle Refill Adapter, Self-Made Gas Bottle Regulator M10X1 to W21.8-14 Adapter for CO2, Mixed Gas, Easy Installation, Easy to Use, Silver-Fast Shipping

Description

Description: With this device, you can connect 1L and 2L cylinders such as CO2 and mixing cylinders to your existing CO2 tank regulator for aquarium fish.

Made of high quality aluminium material, sturdy, durable and long lasting.

Small and lightweight, easy to carry and store, convenient to use.

Purpose: connect to an M10 to open and close the gas.