Hulthor Lever Flush Syphon with Chrome Lever Handle – Dual Flush Height Adjustable Toilet Syphon for Close Coupled Toilets – Easy Fit Flush Valve with Internal Overflow and Cistern Lever Included

Thomas Dudley Adjustable Turbo 88 Adjustable Syphon 7.1/2 - 9.1/2 inch

PlumbEZ Universal Dual Flush Toilet Syphon 1½" BSP Adjustable 7.5"–9.5" Internal Overflow WRAS Approved + Chrome Toilet Cistern Handle Adjustable Arm – Toilet Flush System Replacement Kit