A McAlpine bottle trap manufactured from high-temperature polypropylene, designed for use with sinks and basins. It features a 75mm water seal and a 1 1/2" multifit compression outlet compatible with plastic, copper, and lead pipes. Conforms to BS EN 274-1:2002, it offers a simple, non-mechanical operation that maintains an adequate water seal even in extreme conditions. This trap is ideal for confined spaces, helps keep bathrooms hygienic by preventing odors, and can serve as an alternative to anti-syphon or silent traps.