Push Button Switch 1) Botton for cistern & tank 2) ABS+chrome plated 3) Diameter: 38mm 4) Shape: sqaure,oval&rect Toilet Push Button: Installation Dimension:38 ... /48/58mm Gentle Touch, Press Botton Easily Easy to Install & Maintain Anti-Corrosion Adjustable Installation ... ,CSC,UPC,CSA,CE,SASO, NF, AS, WRAS, CE, NOM Push Button For Toilet Flush