About this item

• Stirring Shaft Compatibility: designed for efficient solution mixing with 7/8 mm O.D. stirring shafts; also accommodates thermometers for stable laboratory operation
• PTFE Construction: made from PTFE with strong chemical stability and long service life; integrated O-ring provides reliable sealing performance
• Standard Joint Sizes: available in standard 14#, 19#, and 24# sizes for compatibility with common laboratory glassware joints
• Stable Shaft Alignment: engineered for smooth shaft insertion and secure centering to reduce wobbling during rotation
• Thermal Resistance: PTFE material withstands typical laboratory heating and cooling conditions without deformation or premature aging