Product Description
Keep a vigorously aerated culture breathing without opening the flask: this 500 mL baffled Erlenmeyer comes with a filtered vent cap that lets gases pass while keeping contaminants out. It is a dependable mid-size vessel for bacterial, yeast and suspension cell work.
This listing is for NEST catalog number 783211: 500 mL Erlenmeyer Shaker Flask, Polycarbonate, Baffled, Vented Filter Cap, Sterile, Case of 12 (12 x 1). The flask is molded from clear USP Class VI polycarbonate with an embossed volume scale, and the USP Class VI polypropylene cap carries a 0.22 µm hydrophobic PTFE membrane. Each unit is individually bagged and E-beam sterilized to SAL 10^-6; the flask itself can be autoclaved and reused 5-6 times, while the vent cap is single-use. It is produced under cGMP in an ISO 13485 facility and lot tested free of pyrogens, cytotoxins and nucleases. LIGHT LABS carries the full NEST Scientific catalog with knowledgeable support when you need it.
Key Features
- Baffled Bottom – Boosts oxygen transfer during shaking
- Filtered Vent Cap – 0.22 µm hydrophobic PTFE membrane for sterile gas exchange
- Polycarbonate Body – Clear, impact resistant and autoclavable for 5-6 reuses
- Molded Graduations – Easy volume checks without a separate cylinder
- Sterile, Individually Packed – E-beam sterilized to SAL 10^-6
Specifications
| Catalog Number | 783211 |
| Brand | NEST Scientific |
| Description | 500 mL Erlenmeyer Shaker Flask, Polycarbonate, Baffled, Vented Filter Cap, Sterile |
| Sold As | Case of 12 (12 x 1) |
| Volume | 500 mL |
| Cap Type | Vented cap, 0.22 µm hydrophobic filter |
| Units per Pack | 1 |
| Units per Case | 12 |
| Flask Material | Polycarbonate, USP Class VI |
| Cap Material | Polypropylene, USP Class VI |
| Bottom Design | Baffled |
| Cap Filter | 0.22 µm hydrophobic PTFE membrane |
| Autoclavable | Flask yes (reusable 5-6 times); vent cap no |
| Sterilization | E-beam irradiation, SAL 10^-6 |
| Certified free of | Pyrogens/endotoxins, cytotoxins, DNase, RNase, DNA, BSE/TSE and animal-derived components |
| Manufacturing | cGMP facility, ISO 13485 and ISO 9001 certified; molded and packed in ISO 7 cleanroom |
Applications
- Bacterial and yeast shake cultures
- Suspension cell culture
- Seed train expansion
- Recombinant protein expression
