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This socket reducer from Polypipe ensures a great amount of reliability like other Polypipe products, due to product designs that are 30 years tried and tested. The socket reducer can also be bought in a range of sizes.Features & Benefits: Polypipe Socket Reducer - 15mm x 10mm, Great amount of reliability, Product designs that are 30 years tried and tested, Can be bought in a range of sizes, Versatile. Polypipe Socket Reducer - 15mm x 10mm Plastic Polybutylene PB1815