An effective alternative to common PTFE joint sleeves and PTFE stoppers.
Rings sealing rings
Sealing rings, for jointed glassware
Rings sealing rings
Sealing rings, for jointed glassware
Rings sealing rings
Sealing rings, for jointed glassware
Rings sealing rings
Sealing rings, for jointed glassware
Rings sealing rings
Sealing rings, for jointed glassware
Rings sealing rings
Sealing rings, for jointed glassware
Rings sealing rings
Sealing rings, for jointed glassware
Rings sealing rings
Sealing rings, for jointed glassware