SS-QT-QL4-ST
316 SS, QT Series Quick-test Tube Adapter, Connect to Tube Fitting Thread to FST End, 1/4" O.D. x 1/2-20 Male UNF thread
SS-QT-QL6-ST
316 SS, QT Series Quick-test Tube Adapter, Connect to Tube Fitting Thread to FST End, 3/8" O.D. x 1/2-20 Male UNF thread
SS-QT-QL8-ST
316 SS, QT Series Quick-test Tube Adapter, Connect to Tube Fitting Thread to FST End, 1/2" O.D. x 1/2-20 Male UNF thread