It is compatible with 3/8" syphon tubing and also the bottling stick.
HS Fermenter Tap with Sediment Trap and Bottling Wand
Lever Tap With Back Nut - Narrow Spout For Bottling Stick - For Home Brew
25 Litre Home Brewing Fermenter Bucket with Tap, Lid, Grommet & Airlock
30 Litre Fermentation / Brewing Bucket / Fermenter Bin With Tap
Coopers Beer Fermenter Bucket with Krausen Collar, Lid & Tap - Home Brew
Lever Tap With Back Nut & Spout Cover - 25mm For Barrel or Fermenter-Never Used