Pyrex 5340 Filtering Flask, 4000mL – Heavy-Wall Borosilicate Glass, 24/40 Sidearm

📄 Product Description:

The Pyrex 5340 4000mL Filtering Flask is a premium-grade, heavy-wall vacuum filtration flask designed for rigorous laboratory use. Made from durable PYREX® borosilicate glass, this 4L flask features a thick-walled design with a robust sidearm for vacuum applications. Its tapered neck and standardized 24/40 outer joint ensure secure connections and chemical resistance.

Ideal for vacuum filtration, this flask delivers consistent performance in research, chemical processing, and microbiological workflows.

🔍 Key Features:

• Brand: Pyrex® (Corning)

• Capacity: 4000 mL (4L)

• Model Number: 5340-4L

• Material: Borosilicate Glass (Chemically resistant and thermal shock-resistant)

• Joint: 24/40 standard taper outer joint

• Sidearm: Heavy-walled with hose connection for vacuum filtration

• Graduations: White enamel, easy-to-read metric scale

• Autoclavable: Yes

• Package Quantity: 1 flask per pack

• Made in the USA

📦 What’s Included:

• 1 × Pyrex 5340 Filtering Flask, 4000mL

🧪 Applications:

• Vacuum filtration

• Microbiological or analytical filtration

• Separation and purification tasks

• General chemical and industrial lab use

⚠️ Safety Notes:

• Use proper vacuum-rated tubing and PPE

• Avoid rapid temperature changes to preserve glass integrity

• Secure flask before applying vacuum pressure