Our 4" sight glass is perfect for larger stills and can be used as an extension to view your distillation or for a botanicals infuser basket.

Compatible with  -

4" tri-clamp
4" SS mesh
Grainfather Distilling Alembic Dome and Attachment Kit
Kegmenter 29/50L
65L Steam lid 
4" x 2" Concentric Reducer

Not pressure rated.

Glass length 110mm