Scienceware* Gas Sampling Bulbs, 250 cc

Molded polypropylene bulbs have hemispherical ends for smooth gas flow and polypropylene stopcocks with free turning Teflon* TFE plugs. Ends accept 1/4 to 3/8 in. (6.4 to 9.5 mm) ID tubing. Tube body is 2 x 8 3/4 in. (51 x 222 mm) [OD x L]. Stopcocks are 2 1/2 in. (64 mm) long. Maximum recommended pressure 15 psi. Individually packed.
A) 4 mm straight bore stopcock on one end, silicone rubber septum mounted in a screw fitting on the other end. Septum can withstand several injections. Six septa included. Overall length 11 1/4 in. (29 cm).
B) 4 mm, 3-way stopcock on one end, 4 mm straight bore stopcock on the other end. Three-way stopcock permits exit of gas to two points. Overall length 12 1/2 in. (32 cm).
C) 4 mm straight bore stopcock on each end. Overall length 12 1/2 in. (32 cm).