QP500 Pump Roller Assembly Compatible with Classic, SVP & M128 Series Peristaltic Metering Pump Replacement Parts Replaces Pump Parts Number: QP500 High Quality Materials: PPS+POM+Copper+304 Stainless Steel Compatibility: QP500 Pump parts is compatible with Classic, SVP and M128 Series pumps replacement part quick pro roller assembly. Package Includes: 2 x QP500 Pump Roller Assembly QP500 Pump Parts Features: 1. QP500 pump roller works with Classic, SVP and M128 Series pumps replacement part quick pro roller assembly. 2. Pump roller assembly is made of high quality material, sturdy and unbreakable, wear-resistant. 3. Water pump roller are designed for easy installation and replacement. 4. Pump roller assembly is designed for regular maintenance of water pump, meet your usage needs. 5. Pump replacement parts make your pump maintenance a breeze, brings convenience to your pool water pump connections.