Home / Building structures & components / Pipes and Plumbing / Asbestos cement toilet cisterns Asbestos cement toilet cisterns Description Moulded AC cisterns first produced around 1930s. Brisbane manufacturer produced Syphonia from around 1939.Other models may be primarily Bakelite with asbestos, or asbestos resin composites, which were manufactured in UK. Often black in colour. Years of production/use Prior to 1990 Brands/products Master Plumbers Manufacturing Co (MP)SyphoniaOthers not identified Residential uses Any residential toilets Industrial uses Any industrial or commercial building or public toilet Be aware Damage exposing fibres around top edge with lid.Used cisterns obtained from demolitions are being sold on online shopping sites. Sellers may be unaware of asbestos content.