A compact 90° swivel elbow adaptor with an easy-to-use and secure push-in fitting for hoses. The adaptor features BSP tapered threads and positive hose anchorage. The design enables the rapid assembly of pneumatic circuits and other compressed air systems. * Thread size R1/4 * Hose O/D 4mm * Operating pressure vacuum to 18 bar * Vacuum 750mm of Hg * Ambient/media temperature -20°C to +80°C * Nickel-plated brass body and collet * Non-PTFE thread sealant * VMQ-free O rings