The T&S B-23K Spring Check Spindle Assembly Kit is the ideal solution for restaurant and commercial kitchen operations needing a reliable replacement for Eterna spring-check faucet cartridges. This high-quality kit includes all essential components—right and left-hand removable inserts with washers, spindle inserts, seat washers, springs, quarter-turn sleeves, and bonnet assemblies with seals and gaskets—all supplied unassembled for easy installation. Designed for durability and precision, this kit ensures a smooth, leak-free operation for your commercial sinks, reducing downtime and maintenance costs. Whether you're maintaining a high-volume restaurant kitchen or a large-scale food service operation, this T&S kit is built to withstand the demands of daily use while providing the reliability commercial chefs and facility managers trust. With a 1-year limited warranty, it’s a cost-effective way to keep your faucets functioning at peak performance without the hassle of sourcing individual parts.