Siphon Rubber Sleeve, 2 pcs., NW 30/50, for DN50 HT Drain Pipe Inside Ø 50 mm and 1 ¼" Siphon Pipe Outside Ø 28-32 mm, Made of Rubber, Black, Rubber Nipple with Ø 55 mm Stop, 25 mm deep Siphon Seal

Siphon Rubber Sleeve, 2 pcs., NW 30/50, for DN50 HT Drain Pipe Inside Ø 50 mm and 1 ¼" Siphon Pipe Outside Ø 28-32 mm, Made of Rubber, Black, Rubber Nipple with Ø 55 mm Stop, 25 mm deep Siphon Seal

Variosan Flexible Drain Hose 13972, 1 1/4 Inch x 32 mm, Siphon/Odour Trap for Washbasin, Extendible from 320-880 mm

FEINER® [Set of 2] Siphon Rubber Sleeve 50 32 - Outer Diameter 50 mm + Diameter 40 mm - Both Inner Diameter 28-32 mm Rubber Sleeves - Connection to DN 40 and 50 HT Drain Pipes and Siphon Arch