Replacement CO2 Adapter with Release Valve Carbonator Refill Quick Replacement Adapter for DUO for Terra for Art Model Feature: 1. Scope of application: It is an adapter connecting soda machine and carbon dioxide cylinder. Suitable for duo, for Terra, for art.2. Product material: The replacement CO2 adapter is made of aluminum, rubber, ASA material, which is corrosion-resistant, durable and safe.3. Good features: CO2 adapter carbonator filling station has good sealing, oxidation resistance and rust prevention.4. Simple Installation: Just a few simple steps, your carbon dioxide soda machine can use this quick adapter.5. Fine workmanship: exquisite workmanship, beautiful appearance, bringing you wonderful using experience. Specification: Item Type: Carbonator Filling Station CO2 Adapter Material: Aluminum, Rubber, ASA Color: As Pictures Shown Weight: Approx. 95g/3.4oz Interface: 8mm External Quick Plug Application: for DUO, for Terra, for Art Package List: 1 x Connector 1 x Rubber Ring 1 x User Manual