PYREX® VISTA™ 500mL Heavy Wall Glass Filtering Flask with Sidearm Tubulation – 70340-500

The PYREX® VISTA™ 500mL Heavy Wall Filtering Flask is a durable borosilicate glass laboratory flask designed for vacuum filtration, liquid separation, and laboratory sample preparation. Manufactured by Corning, the flask features heavy-wall construction, a 10mm sidearm tubulation for vacuum tubing connections, blue graduations for approximate liquid measurement, and a narrow neck suitable for compatible rubber stoppers. Ideal for pharmaceutical laboratories, chemical testing facilities, diagnostic laboratories, research institutions, educational laboratories, and quality control applications. Key Features & Specifications - 500mL Capacity: Suitable for laboratory vacuum filtration and liquid collection. - Heavy Wall Construction: Provides additional mechanical strength for filtration applications. - Borosilicate Glass: Offers chemical resistance and durability for laboratory use. - 10mm Sidearm Tubulation: Enables connection to compatible vacuum tubing and suction equipment. - Blue Graduations: Provides approximate liquid volume measurements. - 50mL Graduation Intervals: Allows convenient monitoring of collected liquid volumes. - Conical Flask Design: Suitable for Büchner funnel filtration assemblies. - Flat Bottom: Provides stability on laboratory work surfaces. - Narrow Mouth: Accommodates compatible rubber stoppers. - Beaded Rim: Reinforced flask opening for laboratory handling. - Rubber Stopper Compatibility: No. 7 rubber stopper. - ASTM E1406 Type 2: Designed in accordance with the applicable laboratory filtering flask standard. - Reusable Construction: Suitable for repeated laboratory procedures with proper care. - Non-Sterile: Supplied without sterilization. - Manufacturer Packaging: Six flasks per pack and twelve flasks per case. Manufacturer specifications and packaging are supported by Corning and its laboratory distributors. Corning+2 Specification Details Brand PYREX® VISTA™ Manufacturer Corning Product Number 70340-500 Supplier Reference 401491 Product Type Heavy Wall Laboratory Filtering Flask Capacity 500mL Material Borosilicate Glass Flask Shape Conical / Erlenmeyer Style Bottom Style Flat Bottom Wall Construction Heavy Wall Neck Style Narrow Mouth Top Style Beaded Rim Sidearm Tubulation Yes Sidearm Outer Diameter Approximately 10mm Graduation Colour Blue Graduation Interval 50mL Graduation Accuracy Approximate Recommended Rubber Stopper No. 7 Stopper Included No Sterility Non-Sterile Reusable Yes Applicable Standard ASTM E1406 Type 2 Quantity per Pack 6 Pieces Quantity per Case 12 Pieces Applications Vacuum Filtration, Liquid Separation, Sample Preparation, Chemical Analysis, Laboratory Research