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