XS Scuba's Re-Buildable Stainless Steel Paintball Connector with Check Valve is a 6000 psi (414 bar) High Pressure Six 18-8 Stainless Steel Locking Ball Designed Connector. All 316 Grade Stainless Steel Construction and Thick Wall Inlet Port make this one Durable and Reliable Connector. The Paintball Connector has a Check Valve that allows No Gas Flow when disconnected and Polyurethane O-Ring-Seals for Easy Overhauls. The Connectors Springs are PASSIVATED to Prevent Rust. The Easy Connection Wide 1" (2.5cm) Attachment Collar has No-Clearance-Issues with Flattened-Side Angled Easy-Grip Design. This Re-Buildable Quick and Easy Overhaul Connector without Removal-of-Collar and can be overhauled with the SKU: XSSOK Overhaul Kit. Connector comes with a 24 month limited warranty.