FlushSaver 3" DRAIN STANDARD LEVER HANDLE Dual-Flush Deluxe DIY Conversion Kit - FITS STANDARD 3" DRAIN ONE PIECE TOILETS. Converts standard toilets into efficient dual-flush systems. Fits Standard 3" One Piece Toilets - 3 1/8" - 3 1/2" Drain with 5/8" - 3/4" Square Lever Handle Hole Traditional Flush Handle is Easy to Understand and 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 PERSONAL HYGIENE PRODUCT - NOT RETURNABLE