Party Tap + 3m 3/16 Bierleitung für Fasskupplungen mit einem 3/8" Push-Fit Stecker

The 3/8" beer line will fit keg couplers with a 3/8" push fit connector or a 1/4" barb. The 3m of 3/16 beer line is for slowing down the beer before it reaches your tap.

eBay