Ideal Spectroscopy | Super-Seal High-Vacuum HV 90° Right Angle Manual Bellows Valve with Conflat CF 2.12 in. Through Hole Rotatable Flanges
NW50 Manual Butterfly Vacuum Valve <br> MBFV-NW50
Amazon.com: Bellow Isolation Valve, KF25 304 Stainless Steel High Vacuum Manual Right Angle Valve Fit For Semiconductor Solar Energy Metallurgy : Tools & Home Improvement
Manual 2-Way Ball Valve | High Vacuum Ball Valve
KF40 Manual Flapper Valves, Right Angle Valves - Labideal