The McAlpine CBWF70CB is a combined bath waste and overflow designed for use in baths. It features a chrome plated brass construction and has a 1½" diameter. The waste and overflow are combined into a single unit, which makes installation easier and more efficient. The centre pin model has a 70mm chrome plated brass flange with a 60mm tail centre. The spring-loaded mushroom plug is used to prevent water from draining out of the bathtub, while the matching overflow cover plate is used to cover the overflow hole in the bathtub. This bath waste and overflow unit is a durable and reliable option for anyone looking to install or replace a waste and overflow in their bathroom. The chrome plated brass construction ensures that it will last for years, while the spring-loaded mushroom plug and matching overflow cover plate provide a secure and professional finish. ・ 1½" BSP ・ Spring loaded mushroom plug ・ Matching Chrome Plated Brass overflow cover plate ・ 70mm Chrome Plated Brass flange ・