This is a silicone plug exclusively for the filter holder glass filter type (code no.: 3913-47)/stainless steel screen type (code no.: 3913-47S).
This is for the compatible suction filter bottle (1L (Code No.: 3915-1-10-18L)). If you would like to use a size other than the recommended size, please contact us. Upper diameter: Φ37
Bottom diameter: Φ31
Hole diameter: Φ15.5
