The Walraven Pacifyre MK II Fire Collar (M) 141-143mm, part number 72T5CR, is an essential firestopping solution designed for plastic pipes with an external diameter range of 141-143mm. This genuine Walraven fire collar is engineered to prevent the spread of fire and smoke through penetrations in fire-rated walls and floors, offering robust protection in industrial and commercial applications. It features a durable galvanized steel casing and an intumescent graphite material that expands rapidly when exposed to heat, effectively sealing the pipe penetration. Certified for up to 240 minutes (EI 240) fire resistance, it ensures compliance with critical fire safety regulations and maintains compartmentation.