Part Number CX900G: This locking knob replacement kit is designed for Hayward Star Clear Plus Cartridge Filter Models including C900, C9002, C1200, C12002, C12002S, and C751, ensuring proper fit and compatibility. Easy Installation Process: Remove the damaged knob and replace it with the new CX900G knob. No special tools are required, allowing for quick and simple installation. Durable Material Construction: Made from high-density plastic, the CX900G locking knobs are built for long-lasting performance. The material provides resistance to wear and environmental conditions. Compatibility Confirmation: Verify your filter model before purchasing to ensure proper fit and avoid return issues. Enhanced Product Performance: Replacing a damaged knob with the CX900G helps maintain the functionality and efficiency of your filtration system. This part is designed to meet or exceed original equipment specifications. Material: Plastic Color: As shown Package Contents: 1 x Locking Knob (CX900G) 1 x Guide Cone (CX900D) 1 x E-Ring (CX900J) 2 x Washer (CX900W) 1 x O-Ring (CX900H) 1 x Directional Vent Valve with O-Ring (ECX1322A) The package includes only the items listed above. Note: Lighting and screen settings may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.