Description Specifications Manuals Reviews 3/16 Hose barb inserts to be used with Spectra Product #: . Ideal for Panel Mounts for Soil Vapor Analysis. Fits 1/4 in OD Tubing. Customer Reviews Be the first to write a review Write a review 0% (0) 0% (0) 0% (0) 0% (0) 0% (0)