Modular Path O-Ring Plugs

• Comes in: 24/40 and 29/42 (not included with Glassware Kits)
• MP12/22L – O-Ring Plug – 45/50 (included with 12/22L Glassware Kit)
• Custom Boiling Flask for Short Path Distillation 
• Replaces Pennyhead stoppers
• Made in USA

Please Note: Glassware DOES NOT have warranties. Glassware may have minute blemishes that will not affect the function. If you believe there are imperfections on your glassware, please contact us. We check all our inventory once we receive them and make sure no defective glassware is sent to our customers.