eMylo 38mm Toilet Push Button Dual Flush Button Replacement Kit Widely used in common brands such as Twfords, Armitage Shanks, Geberit, B&Q Villeroy & Boch. Siamp, Wirquin, Cookr & Lewis Universal fit replacement button,Fit in 38 mm dia hole With Cable Flush Systems Dual Flush Water Saving Chrome eMylo(TM) is our registered trademark, pls don't follow-sell,othersise you will be held liable.