uPVC Soil, Waste and Vent (SWV) pipes and fittings marketed through the RKS brand are commonly used to remove wastewater and sewerage from fixtures such as toilets, baths, and basins within buildings via gravity flow and to ventilate the system. Pipe and fittings are joined through solvent cement joints.
 
With origins in Australia and previously sold by Vinidex Hong Kong, RKS is now owned by Kembla HK and synonymous with quality and reliability.