Boro 3.3 Filter Flask

The Boro 3.3 Glass Filter Flask with Side-Arm is a laboratory-grade, heavy-wall flask specifically designed for vacuum filtration applications. Made from high-quality borosilicate glass 3.3, this flask offers exceptional chemical resistance, mechanical durability, and thermal stability, making it ideal for demanding laboratory processes involving aqueous and organic solvents.

The integrated side-arm connection is compatible with vacuum tubing for suction filtration, and the flask's conical design ensures efficient filtration while minimizing sample loss or contamination. Its resistance to corrosion, acids, and high temperatures makes it an essential tool in chemistry, microbiology, and pharmaceutical labs.

Key Features & Benefits

✅ High-Quality Borosilicate Glass 3.3

• Superior thermal resistance up to 130°C
• Withstands rapid temperature changes
• Resistant to acids, alkalis, and organic solvents

✅ Side-Arm for Vacuum Applications

• Precision-formed side-arm tubing for secure vacuum hose attachment
• Enables efficient and consistent suction filtration

✅ Autoclavable & Sterilization Ready

• Withstands autoclave cycles and dry heat sterilization
• Suitable for sterile filtration processes in microbiology or cell culture labs

✅ Corrosion- and Acid-Resistant

• Ideal for use with aggressive chemical mixtures
• Maintains structural integrity over repeated use

Specifications

Applications

• Vacuum Filtration of Liquids
  Used with Buchner funnels and membrane filters for separation of solids from liquids.
• Microbiological Sample Preparation
  Ideal for filtering microbial cultures, broths, or sterile fluids.
• Chemical Filtration & Recrystallization
  Commonly used in organic and analytical chemistry for purifying solutions.
• Pharmaceutical & Environmental Testing
  Suitable for drug analysis, reagent purification, and pollutant extraction.

The Boro 3.3 Glass Filter Flask with Side-Arm is a robust and versatile tool engineered for precision filtration under vacuum. Its high-temperature tolerance, acid resistance, and autoclave compatibility make it a reliable choice for a wide variety of lab settings. Whether you're filtering solvents, media, or biological samples, this flask ensures safety, efficiency, and durability in every application.