General description This Swivel Propane Refill Elbow Adapter allows you to easily refill a 1lb propane bottle from a larger 5-40lb propane tank. Featuring a 90-degree design, this adapter is equipped with a gauge for quick monitoring of the remaining gas in your large tank and an on-off control valve for added convenience. Technical specifications Type: QCC1/Type1 Propane Refill Elbow Adapter Material: Brass Color: As shown Measurement allowed error: +/- 1-3cm Compatibility and accessories Compatible with 5-40lb propane tanks Suitable for use with heaters, BBQs, camping stoves, and portable or tabletop grills Installation Connect the QCC1/Type1 coupler to the large propane tank Attach the rotary control nut to the 1lb propane tank Turn the large propane tank upside down to allow liquid propane to flow out Usage Refills 1lb propane bottles multiple times without the need for tools Easy to control the red ball valve switch with fingers Other information Built-in overflow protection