TWIN SCREW ELEMENTS & VENT BLOCKAGE SOLUTIONS Email us Contact us with your enquiry. | Gallery Just a few of our products that we offer. VPS65 Pressure type unit 3 VPS65 Pressure type unit 2 7 B 5 VPS65 with adapter 2 Vent Port Stuffer adapter VPS65 Pressure type unit 1 7 VPS65 complete assembly 5 VPS65 with adapter 3 Extruder Barrel with adapter installed VPS65 Pressure type unit 4 1 Extruder Barrel 6 VPS65 with adapter installed 4 Barrel bore with adapter installed.