Hydroflo ½" side-inlet valve with brass tail and delay-fill facility. Supplied with silence tube and key for simple and safe removal of the filter. Quiet refill. Features 2 built-in backflow prevention devices. Ideal replacement for most plastic and ceramic exposed and concealed cisterns. ½" brass shank. Plastic Body & Brass Shank Height: 185mm Suitable for High & Low Pressure Systems For use with most Plastic & Ceramic, Exposed & Concelead Cisterns Water Efficient Float Arm Prevents Detachment Brass Tail Prevents Cross-Threading Plastic Body & Brass Shank Height: 185mm Suitable for High & Low Pressure Systems For use with most Plastic & Ceramic, Exposed & Concelead Cisterns Water Efficient Float Arm Prevents Detachment Brass Tail Prevents Cross-Threading