Features: Master flushometer rebuilding kit 1.6 gallon per flush 6.0 litre per flush For closet flushometers Product Variations: 3317001 - 4.5 GPF Rebuild Kit for Closet / Service Sink Flushometers 3317002 - 1.5 GPF Rebuild Kit for Urinal Flushomers 3317003 - 3.5 GPF Rebuild Kit for Closet Flushometers 3317004 - 1.6 GPF Rebuild Kit for Closet Flushometers (This Model) 3317005 - 1.0 GPF Rebuild Kit for LC Urinal Flushometers 3317011 - 0.5 GPF Rebuild Kit for Urinal Flushometers 3317012 - 2.4 GPF Rebuild Kit for Closet Flushometers