1373 BELL JAR high straight form,Website: ,with ground-in glass stopperProduct DescriptionHigh quality, flint glass bell jars. Glass is crystal clear, allowing students to easily view experiments performed inside the jar. Bell jars with ground glass stopper offer the flexibility for evacuation or for pressurizing the inside of the jar using an external air source/pump. The nickel-plated vacuum plate (AP8618) works well with both the large and small bell jars or the polycarbonate plastic plate (AP1869) may be used with the large bell jars.There are 5 sizes available : 120 mm BELL JAR, 150 mm BELL JAR, 180 mm BELL JAR, 200 mm BELL JAR.Product informationSpecifications:Cat. No.I.D.　　mmInsideheight　mmQuantityPer  　case13731201801213731502006137315025061373180250613732003004Product Features : Classic old school glass bell jar: heavy wall, machined base with solid knob top Machined base for air-tight seal to vacuum plates Makes an excellent display cover for small, delicate or high value collectiblesAlso used for making mini-terrariumsMaterial: GlassColor:clearSelling point: Various specifications; Preferential price;High quality