This is a silicone plug exclusively for the filter holder glass filter type (code no.: 3913-25)/stainless steel screen type (code no.: 3913-25S).
This is for use with the compatible suction filter bottle (100 mL (Code No.: 3915-100-8-14L)). If you would like to use a size other than the recommended size, please contact us. Top diameter: Φ30
Bottom diameter: Φ24
Hole diameter: Φ9.5
