1. Fast installation, easy and skillful, saving space.
2. Diversified types may satisfy the need of any pneumatic pipe arrangement.
3. Even after installation, the plastic tube can be freely turned.
4. The release ring adopts ellipse design, which makes disassembly more easy.
5. All conical tube thread are pre-coated with teflon leak proof glue, which secures good sealing performance.
6. Excluding 16 pipes, all KPC and YPC straight joints have hexagonal socket, which is convenient for installation at narrow places.