Mcalpine ST90CPTOP+TUBE replacement shower trap cover. 113mm chrome plated plastic cover plate and dip tube for McAlpine ST90 shower trap. Part is designed for use with 90mm shower traps. The dip tube is designed to fit inside the shower trap and prevent debris from entering the drainage system. The flange is designed to fit over the top of the shower tray or bath, providing a neat and tidy finish. Top cover is made from chrome plated ABS.