... volume is adjustable Flush valveName: Adjustable dual flush valve + Adjustable fill valveItem No.: AB-26+B4 ... Specification:-1. The height of the flush valve is 200mm(other specification:220mm, 200mm,300mm)-2 ... . Bottom-in fill valve, whose height is available: 205mm~275mm (another B4 ... 2" and G3/4" connector-6. Fill valve is anti-siphon design, can stop water quickly, ...