PYREX® 250mL Long Neck Shaker Culture Flask – 4442-250

The PYREX® 250mL Long Neck Culture Flask is a durable borosilicate glass flask designed for microbial cultivation, shaker cultures, and laboratory research. Its extended straight neck reduces splashing toward the closure during agitation, while its uniform glass walls provide mechanical strength and thermal shock resistance. Key Features and Specifications - Capacity: 250mL. - Material: High-quality PYREX® borosilicate glass. - Design: Erlenmeyer-style conical shaker flask. - Neck Style: Long straight rimless DeLong neck. - Neck Outside Diameter: Approximately 38mm. - Flask Outside Diameter: Approximately 81mm. - Height: Approximately 138mm. - Top Style: Plain. - Closure: Supplied without stopper; compatible with Corning closures 26796-38 and 26797-38. - Sterility: Supplied non-sterile. - Reusable: Suitable for repeated laboratory use. - Manufacturer Packaging: 6 pieces per pack; 12 pieces per case. - Applications: Microbial cultivation, fermentation, shaker cultures, microbiology, and biotechnology research.