CO2 Quick Adapter for Duo-quick Connect Qc Replacement for CO2 Cylinder TR21-4 Male Brass Durable High-strength

The CO2 Quick Adapter is designed for users of DUO, Art, and Terra water acidifiers who need a reliable connection to standard CO2 cylinders with TR21-4 threads.

• Compatible with many standard CO2 cylinders and previous versions for versatile use.
• Constructed from high-quality brass for durability and long service life.
• Easy installation with a straightforward connection process to the Duo water acidifier.
• Cost-effective solution to continue using original CO2 cylinders without frequent replacements.

• Material: Metal
• Dimensions: Approximately 1-3 cm measurement error allowed

• 1 x CO2 Quick Adapter
• 1 x Sealing Ring