Practical and Economical
A graduated 250cc polypropylene cylinder with a stable extended base for use in precipitating elements from gas. Gas is dispersed through a removable fitting that has a coarse grade porosity,polyethylene dispersion disc. The vinyl stopper holds 6.3mm (1⁄4") O.D. tubes for entrance and exit of gas.0.5 psi maximum pressure. Per each,6 per case.
美国BEL-ART通用工具 
