PYREX® VISTA™ 2000mL Class B Volumetric Flask with Polyethylene Snap Cap – 70581-2L

The PYREX® VISTA™ 2000mL Class B Volumetric Flask is a durable laboratory glass instrument designed for preparing large-volume standard solutions, sample dilution, chemical analysis, and routine volumetric measurements. Manufactured by Corning, the flask features a long neck with a permanent calibration line, a stable flat-bottom design, and a blue polyethylene snap cap for convenient closure. Its Class B accuracy makes it suitable for routine laboratory applications where Class A precision is not required. Ideal for pharmaceutical laboratories, chemical testing facilities, diagnostic laboratories, research institutions, educational laboratories, and quality control departments. Key Features & Specifications - Brand: PYREX® VISTA™ - Manufacturer: Corning - Product Number: 70581-2L - Previous Catalogue Number: 5581-2L - Supplier Reference: 401491 - Product Type: Volumetric Laboratory Flask - Capacity: 2000mL (2 Litres) - Accuracy Classification: Class B - Volumetric Tolerance: Twice the tolerance permitted for comparable Class A volumetric flasks. - Calibration: Single permanent calibration line for fixed-volume solution preparation. - Flask Material: Laboratory glass. - Flask Shape: Volumetric. - Bottom Style: Flat bottom for stable positioning. - Neck Style: Long neck for accurate liquid-level adjustment. - Markings: Large blue lettering and marking spot for easy identification. - Cap Type: Polyethylene snap cap. - Cap Material: Low-density polyethylene (LDPE). - Cap Colour: Blue. - Snap Cap Number: 2000. - Replacement Cap Series: Corning 7666. - Snap Cap Included: Yes. - Glass Stopper Included: No. - Sterility: Non-sterile. - Reusable: Yes. - Quantity per Pack: 1 flask. - Quantity per Case: 4 flasks. - Applications: Standard solution preparation, laboratory sample dilution, pharmaceutical testing, chemical analysis, and quality control.