WETIPS Toilet Water Tank Fittings Inlet Toilet Tool Adjustable Flush Water Saving Drain Tank Fittings Toilet Intake Flush Valve Kits Material: Eco-friendly plastic Available height: 18cm to 30cm/ 7in to 11 Toilet type: one-pieces or splite lavatory Water consumption: adjustable Function: water-saving Package:1pcs Note: You want go away us message if you'd like middle button(48mm) or small button(38mm). Normally we sent vast button(58mm)