Vataler 1-1/4 Inch Expandable Flexible 17-42 Inch Universal Kitchen Sink Sewer Drain Pipe Tube S Trap, Bathroom Vanity Sink Drain Plumbing P Trap Tubing : Amazon.co.uk: DIY & Tools
Basket Strainer 4 Inch Kitchen Sink Steel Drain with ABS Base and Removable Strainer Assembly, For American Standard Kitchen Sink With 3-1/2 Inch Drain Hole - Bathroom Sink And Tub Drain Strainers - Amazon.com
Do it 1-1/4 In. Plastic Bathroom Sink Drain with Overflow - Parker's Building Supply