Compatibility: Quick Connect Sodas Bottles Adapter Compatible wtih Terra/Art/ Soda Machine; Fit for 0.7L Stream Soda Machine; Please make sure the model is suitable before purchasing. 2 Quick Connect Sodas Bottles Adapter Cap and 4 sealing ring. Just ONLY 2PCS Quick Connect Sodas Bottles Adapter Caps, NOT include crystal glass bottle. Excellent Quality: Our quick bottle adapter cap maker bottles attachment is made of high-quality plastic, and will not rust; Easy to install, just screw it onto the glass bottle thread and connect it to the soda machine in just a few seconds; Easy to clean, just rinse with water. Tips: With this adapter cap, you can continue to use the traditional spiral valve CO2 glass bottle. Colour:Black Material:plastic Package Contents: 2 x Adapter 4 x washer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.