{"product_id":"intumescent-fire-block-damper-for-circular-duct-100mm-to-300mm","title":"Intumescent Fire Block Damper for Circular Duct – 100mm to 300mm","description":"\u003cp\u003eAn intumescent fire block is a passive fire damper for circular ducts and openings in fire-resisting walls, partitions and doors. Under fire conditions the intumescent material expands rapidly to seal the opening, blocking fire and smoke for a rated period of one hour.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOne hour fire rating\u003c\/li\u003e\n\u003cli\u003eNo moving parts, springs or fusible links\u003c\/li\u003e\n\u003cli\u003eSmooth finish reduces dust build-up and aids cleaning\u003c\/li\u003e\n\u003cli\u003e6 diameters from 100mm to 300mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eA simple, maintenance-free option for small duct penetrations.\u003c\/p\u003e","brand":"PureClima","offers":[{"title":"300 Dia","offer_id":57593680101749,"sku":"IFBC300","price":133.94,"currency_code":"GBP","in_stock":true},{"title":"100 dia","offer_id":57593680134517,"sku":"IFBC100","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"125 Dia","offer_id":57593680167285,"sku":"IFBC125","price":57.7,"currency_code":"GBP","in_stock":true},{"title":"150 Dia","offer_id":57593680200053,"sku":"IFBC150","price":0.0,"currency_code":"GBP","in_stock":true},{"title":"200 Dia","offer_id":57593680232821,"sku":"IFBC200","price":89.32,"currency_code":"GBP","in_stock":true},{"title":"250 dia","offer_id":57593680265589,"sku":"IFBC250","price":109.74,"currency_code":"GBP","in_stock":true}],"url":"https:\/\/pureclima.co.uk\/products\/intumescent-fire-block-damper-for-circular-duct-100mm-to-300mm","provider":"PureClima","version":"1.0","type":"link"}