ULAB Plastic Test Tubes with Flange Stoppers, 50pcs of Dia.16x125mm Party Tubes, Assorted Color, 50pcs PE Flange Stoppers, Dia.16mm, Nature Color, UTT1021 : Amazon.co.uk: Business, Industry & Science
1-1/2"in x 16"in Plastic Double End Flange Tailpiece for Tubular Drain Plumbing 804595175101 | eBay