FlushSaver PUSH BUTTON EURO-STYLE Dual-Flush Deluxe DIY Conversion Kit - FITS STANDARD 2" DRAIN TWO PIECE TOILETS. Converts standard toilets into efficient dual-flush systems. HEAVY DUTY NYLON 2 BOLTS Fits Standard 2" Tank Drain with 5/8" to 3/4" Square Button Mount Hole or 1 1/2" Round Lid Hole Euro-Style Push Button Actuator is Modern and Easy to Operate - Eliminates Repeated Flushing Saves up to 10,000 Gallons per Year for an Average Family of Four - Pays For Inself in Months Commercial Grade Plastics and Stainless Steel will Not Rust or Corrode  Rated for 75,000+ Flushes Everything Included: Dual-Flush Valve, Tank Filler, Bowl Valve, Gasket, Bolts, Labels, Instructions