· Package Content: You will receive 2 sets of sprayer seal gasket kits, including 12 gaskets of 4 sizes and 2 rubber base pads.· Product Material: Made of premium rubber material for high strength and durability, not easy to break and offers a great sealing performance to effectively prevent leaks.· Compatibility: Our sprayer seal ring replacement part kit fits for Chapin 20000 sprayers and are compatible with Chapin 20000 full series. Please note that our product is not sponsored or endorsed by, or affiliated with the brands it fits, including Chapin.· Practical Accessory: The piston pump repair kit is a good helper foe your pump sprayer. With its excellent sealing performance, it prevents water leakage and allows you to effortlessly handle a variety of watering tasks or applying fertilizers.· Easy to Use: Our gasket replacement is easy and quick to replace and it guarantees optimal performance of your garden sprayer with minimal effort.