Fluidmaster Pneumatic Flush Plate Matt Black 264X164mm 1000Z-032-P1. This flush plate is compatible with Dual-Flush Concealed Cisterns with 2 Pneumatic Air Hoses. It features a chrome-plated plastic construction and comes with a 1-year guarantee. It is air-operated (pneumatic) and supports dual flush functionality. The pneumatic dual flush plate has a circle design and is designed to fit Fluidmaster pneumatic concealed cisterns.