The McAlpine ST90CPB-P-70 is a 90mm x 50mm water seal shower trap with a 1.5" outlet. It is designed to be used in shower installations to prevent foul odours from entering the bathroom. The ST90CPB-P-70 features a water seal trap design that works by trapping water in the trap, preventing foul odours from entering the bathroom. This trap is particularly useful in shower installations where odours can be a problem due to the large amount of water used. The 1.5" outlet is a standard size that is suitable for most shower installations. The trap is made from high-quality materials, ensuring durability and long-lasting performance. Overall, the McAlpine ST90CPB-P-70 shower trap is a reliable and practical choice for anyone looking for a high-quality water seal trap. The water seal trap design ensures that foul odours are prevented from entering the bathroom, while the 1.5" outlet is a standard size that is suitable for most shower installations. Flanges available in White or Chrome Plated Plastic, or Chrome Plated Brass Suitable for shower trays with a 90mm waste hole 50mm Water Seal 1.5" BSP Thread Supplied with 135 Bend - BSP coupling nut x 1.5" Universal McAlpine Shallow Shower Trap Chrome 70mm High x 90mm x 1.5" outlet ST90CPB-P-70 in White