Plasson conversion set provides connection between MDPE and Imperial Class D Low Density pipe using adaptors which fit into standard mechanical couplers. Providing a reliable and durable way of jointing water supply pipes, requiring no special tools to use effectively. Cost effective way of joining old Alkathene and Irish black pipes to Metric PE. Reduces stock range as one fitting fits all with adaptors. Ensures water tight fit for all pipes. Simple and easy to fit. 0. 0. 0