Product Information
- Our StonyLab White Rubber Stoppers provide exceptional seal for many applications; Fits all StonyLab flat bottom boiling flask, recovery flask rotary evaporator flask, round bottom flask, conical separatory funnel, narrow mouth erlenmeyer flasks
- Please read the dimension description image carefully before making a decision (might have 1mm measurement error)
- Exhibit excellent resilience and retain pliability over a long period
- Please note these rubber stoppers are NOT food grade
- StonyLab ensures high quality products and premium customer service; If received damaged, please contact us immediately; We will solve it until satisfied