Presentation: This aphrometer is designed to check the pressure during the secondary fermentation.This aChampagne pressure gauge checks instantaneously the pressure in the bottles topped on with a crown cap withor without plastic shutter.A gasket ensures the airtightness between the aphrometer and the crown cap.Finish type available:- Finish type: crown 26 mm- Finish type: crown 29 mm- Finish type: crown 36 mm (jeroboam)- Finish type: screw cap Advantages: - Strong and reliable mechanism.- Stainless steel Manometer: (0/10) Bar.- Can check several batches.- Customizable aphrometer.- Quality made. NB: Do not hit, do not drop.