“Paramount Aquaﬂow” SWR drainage systemhas successfully replaced conventional CI and AC drainage system. This SWR drainage system is designed for quick and eﬃcient removal of waste without leakage. It is highly resilient, tough and durable with high tensile and impact strength. Moreover it is free from scale formation, rusting, weathering and chemical action. It is virtually immune to attack by bacteria, fungi, micro-organisms and insects. Thus the system is a long term solution for building drainage with estimated life over 50 years. Thus in addition to the various beneﬁts, it is more cost eﬀective than any conventional drainage system. These pipes and ﬁttings are available in 75 mm & 110 mm sizes.