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Promaseal Retrofit Collars leaflet
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PROMASEAL® FC & FCS Retrofit Collars are multi-purpose collars designed for use with concrete slabs, masonry and lightweight walls and lined ceilings. These split type collars can be retrofited when necessary. They are available in a range of sizes to suit plastic pipes up to 315mm outside diameter. PROMASEAL® FC & FCS Retrofit Collars have respectively a circular base and a square one.