This Salamander Flexible Anti-vibration Coupler is designed to reduce noise and vibration between your pump and pipework. It features a 22mm push-fit connection and a 3/4" plastic nut, with an angled design for convenient installation. The coupler includes an isolation valve for easy pump removal and is suitable for all Salamander Right Pumps except the RP50PT. It comes with a filter and flat washers, and is CE approved with a 2-year manufacturer's guarantee.