Efficient Leaf Capture: The pool filter pump leaf trap cover lid replacement for effectively captures leaves and debris, preventing them from entering the pool sand filter pump. The cover lid helps maintain a clean and clear swimming pool while protecting the sand filter pump from potential damage. Optimal Air Release Valve: The air release valve / sediment release valve replacement for helps maintain optimal performance of your pool filter pump by releasing air. The release valve ensures proper water flow and prevents airlocks, leading to better water circulation and filtration. Reliable O-rings Parts: The O-rings provide secure and tight seals between leaf trap cover lid and pool filter pump, as well as between air release valve and leaf trap cover. The O-rings prevent any leaks and maintaining appropriate suction, ensuring that the filtration system operates efficiently without any water loss. Colour:Transparent Material:PVC+Plastic Package Contents: 1 * Pool Cleaning Cover Lid kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.