Specification Brand : PROGLASS BulletPoint1 : Made by hand blowing BulletPoint2 : Made of borosilicate glass 3.3 BulletPoint3 : Annealed at 800 degree Celsius BulletPoint4 : Softening Point------820℃ Color : Clear ItemName : Proglass Adapters,Oil Bubble, Anti Reflux ItemPackageQuantity : 1 ItemTypeKeyword : science-lab-ware-sets Manufacturer : PROGLASS Material : glass NumberOfItems : 1 PartNumber : 887614562106 ProductDescription : Allows for flexible tubing to be connected to apparatus for introduction of vacuum or pressure. Hose connection has an O.D. of 10mm at the largest serration. Proglass glassware is made of high-quality borosilicate glass and annealed at 800 degree Celsius, can be heated directly in an open flame and can withstand typical laboratory thermal variations in Chemistry processes like heating and cooling. ProductSiteLaunchDate : 2017-09-02T07:00:00.000Z Size : Coarse Filter 3#