Gas washing bottle with 45/50 cap-style stopper and fritted disc angled at 15°for even distribution of gas throughout absorbing material.Available with a coarse or extra-coarse fritted disc.Springs are ordered separately. ● Material:Borosilicate glass ● Color:Clear ● With standard joint ● With Fritted Disc and Two Hose Connections ● High temperature resistance,corrosion resistance,chemical resistance ● Porosity extra coarse:disc diameter is 100-200μm ● Porosity coarse:disc diameter is 20-35μm ● Joint size 45/50:45 refers to joint diameter,50 refers to joint height,other specifications and so forth ● Accessory:G3411-07 Plastic Springs,Joint size 45/50