Gas Sampling Bulb, 250 cc, Polypropylene, 6.4 to 9.5 mm Tubing ID, 5.1 OD x 22.2 cm Tubing Length, 15 psi Maximum Pressure, With 3-way Stopcock End, Hemispherical Ends for Smooth Gas Flow
Polypropylene gas sampling bulbs have polypropylene stopcocks with free-turning PTFE plugs.