This silicone plug is exclusively for the filter holder glass filter type (code no.: 3913-90)/stainless steel screen type (code no.: 3913-90S).
This is for the compatible suction filter bottle (2L (Code No.: 3915-2-10-18L)). If you would like to use a size other than the recommended size, please contact us. Upper diameter: Φ41
Bottom diameter: Φ37
Hole diameter: Φ15.5
