CO2 Adapter TR21-4 to TR21-3 Thread compatible with Cube Tank Systems

Good sealing percompatible withmance, no air leakage when connected with the cylinder. Designed compatible with use as a thread adapter compatible with machine cylinders and can also function as an air source switch. Made of copper with high hardness and wear resistance compatible with long service life. Tight thread fit, advanced manufacturing technology, stable percompatible withmance, and simple installation. Compatible with TR21-4 female to TR12-3 male threading. Package includes: 1 x CO2 gas converter. Color may vary slightly due to lighting and screen settings. Measurement tolerance: ±1–3 cm.