Specification Brand : HeyJiaYu BulletPoint1 : CONVENIENT CARRYING - Comes with light weight and compact size, the whole vacuum hood set is very convenient to carry outdoors. BulletPoint2 : MADE OF GOOD PVC - Adopting premium PVC material, the transparent bell can clearly demonstrate the electric doorbell inside, very easy to check. BulletPoint3 : Simple operation: The operation of sound physics demonstration is very simple, so students can have better and happier learning in class. BulletPoint4 : Vacuum sound flask: put the electric bell in the jar and you can hear a clear bell, then take out the air, the bell will gradually weaken until no sound is heard. Close the exhaust valve so students can observe. The bell is still ringing, but no sound is heard. BulletPoint5 : More experiments: a cup of boiling water is discharged into the glass hood, and then pumped, you can see that the hot water in the cup is boiling again. In addition, this instrument can also be used for experiments such as vacuum source, evaporation glazing, vacuum coating and atmospheric pressure. BulletPoint6 : Product 2: Package Type: Auto Oil BulletPoint7 : Product 2: Package Quantity: 1 BulletPoint8 : Product 2: Country Of Origin: United States Color : Clear ControllerType : Push Button ExternallyAssignedProductIdentifier1 : 0764418844808 ExternallyAssignedProductIdentifier2 : 764418844808 FormFactor : Stick IncludedComponents : Brush ItemName : HeyJiaYu Stainless Steel Vacuum Chamber Kit with Tempered Glass Lid and Gasket Degassing Chamber for Degassing Urethane, Silicone, Epoxies, Extracting Essential Oil, Resin Casting (3 Gallon) ItemPackageDimensions_Height : 20 centimeters ItemPackageDimensions_Length : 28 centimeters ItemPackageDimensions_Width : 21 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : science-lab-vacuum-chambers Manufacturer : HeyJiaYu ModelName : Jopwkuinp06g19f3yx ModelNumber : Jopwkuinp06g19f3yx NumberOfItems : 1 PartNumber : Jopwkuinp06g19f3yx PowerSourceType : Corded Electric ProductDescription : HeyJiaYu Stainless Steel Vacuum Chamber Kit with Tempered Glass Lid and Gasket Degassing Chamber for Degassing Urethane, Silicone, Epoxies, Extracting Essential Oil, Resin Casting (3 Gallon) ProductSiteLaunchDate : 2024-01-20T02:12:06.912Z UnitCount : 1 UnspscCode : 41000000