3-way 24\/29 Distillation Thermometer Adapter with W\/thread Plastic ScrewSpecifications:Material: GlassSize: 24 # (24\/29) under ground joint 24\/29 side grinding mouth 24\/29Features:24\/29 standard port distillation elbow2 interface is the # 24 (24\/29) standard port、 frosted delicate、Thermometer with cap sleeve can be easily inserted into the 7mm or 8mm diameter thermometerThe new cap sealing is set for the first time use、 please use sharp thingsPunctured plastic cap inside the ring、 and then insert the thermometerPackage included:1x distillation elbow