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Die-Pat Sink Unit Assembly - 1500 x 600 Double Bowl Single Drain - Heavy duty - 600mm deep - Catering sinks - Sinks & basins | UK Catering Equipment, Sales and Advice
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Leaking Pipes. Commercial Sink Repair - YouTube
My bathroom sink drains directly into a small collector thing which fills with water, and from this, through a small gap, there's a pipe which flows to the rest of the bathroom