Bio-Simplex™ GL45 cap assemblies for vertical Sidearm vessels are molded in one piece construction for minimal contamination. The external tubing is C-Flex® 374 (1/4" x 3/8" x .062" ID x OD x wall thickness) and the inner tubing is polypropylene (.150 x .250" ID x OD). Includes GL45mm blue PP cap. Tube measures 8.25"
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