Specification Brand : SEIWEI BulletPoint1 : 【Good Sealing Properties】Tapered rubber plug is made of high quality material, soft, flexible, strong and pressure resistant, moderate hardness, which is not easy to deform that can fully fill the bottle mouth position, high sealing can make the bottle to form a relatively isolated space. BulletPoint2 : 【Easy To Use】5Pcs soft sealing stoppers are easy to use, just insert the stopper into the mouth of the bottle and press them a few times to make sure them are completely sealed; fine workmanship and smooth surface, so stopper is easy to pull out by grasping the exposed part. BulletPoint3 : 【Material】5Pcs soft sealing stoppers have selected rubber made of safe without harmful ingredients, with good anti-corrosion, high temperature resistance, low temperature resistance, anti-acid and alkali performance, good insulation & sealing that can be applied to a wide range of gases and liquids, but can not be used for corrosive liquids or objects. BulletPoint4 : 【Wide Application】5Pcs soft sealing stoppers are widely used for sealing laboratory glass ports, pipe ports, fish tank ports, PVC pipes, floor drains and so on. ItemName : SEIWEI 5Pack Solid Rubber Stopper, White Lab Plug for Flask, Plug Holes and Test Tube or Other Laboratory Apparatus Need Sealed - 7#, 37*28*30mm/1.45*1.10*1.18in ItemTypeKeyword : science-lab-rubber-stoppers Manufacturer : SEIWEI PartNumber : TY-RT-240201A6 ProductSiteLaunchDate : 2024-02-01T03:24:56.817Z SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 5 UnspscCode : 52150000