The Walraven Pacifyre MK II Fire Collar (M) (Part Number 2141099101) is a high-performance intumescent fire collar specifically engineered for sealing penetrations of plastic pipes with diameters between 99mm and 101mm through fire-rated walls and floors. This genuine Walraven product ensures robust fire resistance for up to 120 minutes, contingent on the specific application and pipe material. Constructed with a durable stainless steel casing and an advanced intumescent material, it expands rapidly when exposed to heat, effectively sealing the pipe opening and preventing the spread of fire and smoke. With an outer diameter of 165mm, a height of 45mm, and a weight of 0.8kg, this CE marked, ETA-13/0199, and UL-EU certified collar provides a reliable fire stopping solution for critical building applications.