The AllPoints Foodservice Parts & Supplies 321888 O-ring is designed specifically for ice makers, ensuring optimal performance and reliability. With a 1-3/4" outer diameter, this O-ring is compatible with check valves, providing a secure seal to prevent leaks. Crafted from durable materials, it offers excellent resistance to wear and tear, making it a vital component for maintaining your ice maker's efficiency. Ideal for both commercial and residential use, this O-ring helps extend the lifespan of your equipment while ensuring consistent ice production.