Duran® Protect, Laboratory Bottle. Laboratory bottle, plastic-coated glass bottle, neck Joints: threaded (GL45), capacity 150 mL, with screw cap to drain contents, WITH SCREW-CAP AND POURING RING (PP) Laboratory bottle, plastic-coated glass bottle, neck Joints: threaded (GL45), capacity 3500 mL, with screw cap to drain contents, WITH SCREW-CAP AND POURING RING (PP)