The McAlpine Ventapipe 100 Internal/External VP100E is a high-performance vent pipe designed for 4″/110mm soil and waste systems. Featuring a dual-fit synthetic rubber finger seal outlet, it ensures a secure and leak-free connection for both internal and external installations. The black ventapipe is easy to fit and delivers reliable venting performance, preventing blockages and maintaining proper air circulation in drainage systems. Ideal for domestic and commercial plumbing applications, the VP100E combines durability, versatility, and professional-quality performance.