The McAlpine STW3-R 19mm Water Seal Shower Trap is designed for efficient drainage with a universal 1½” outlet and 45° connection for flexible installation. Ideal for 50mm waste hole shower trays, it features a removable dip tube and grid for hassle-free cleaning. Compatible with white, chrome plastic, or chrome brass flanges. Manufactured from durable polypropylene and conforms to BS EN 274-2:2002.