The Walraven Pacifyre MK II Fire Collar (M), identified by part number WWQ3ZR and article number 2141255257, is a genuine fire stopping system engineered for both combustible and non-combustible pipes with a diameter of 250mm. This high-performance collar features a robust stainless steel casing and incorporates an advanced intumescent material that expands significantly when exposed to heat. This expansion creates an effective seal around the pipe penetration, preventing the spread of fire and smoke for up to 120 minutes (EI 120). It is certified for installation in concrete, masonry, and lightweight partition walls and floors, providing essential fire safety in diverse construction environments.