Dual tubing connector assembly sets, For hoses with inner Ø 13 mm, 2 Piece(s)

Suitable for retrofitting Nalgene^® vacuum flasks (PK40.1ff) or carboys with 53 mm or 83 mm screw caps. To do so, two holes (Ø 10 mm for PP13.1 or Ø 16 mm for PP14.1) must be made in the screw cap and the hose connectors fitted inside them. For hoses with inner Ø 6 or 13 mm. 53 mm screw caps can only be fitted with 6 mm hose connectors, 83 mm screw caps with 6 mm and/or 13 mm hose connectors.