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The spigot option allows faster installation and removes the need for a flange ring
thermal insulation
Processing temperature range (object temp
Complies with HVCA specification DW144
doors and HVAC ductwork
Firoblok Intumescent Sleeve for Round Plastic Ducting Diameter:125mm The spigot option allows fasterFiroblok Intumescent Sleeve for Round Plastic Ducting is a foil wrapped sleeve designed to provide fire protection where plastic ventilation ducts pass through fire rated walls, floors, or ceilings. In the event of a fire, the intumescent material expands inward to seal the duct opening, helping to prevent the spread of fire, smoke, and hot gases. It also helps reduce heat transfer, protecting nearby metal supports and services from overheating. The
