EISCO Filter Funnel Stem Uniform Walls Boros 313090454401 75MM 8MM

( Brand: Eisco ), ( Part Type: Wall Filter Stem ), ( Filter Color: Transparent ), ( Material: Borosilicate Glass ), ( Product Dimensions: 3w X 5.5h ), ( Wide End Diameter: 75 Millimeters ), ( UPC: 313090454401 )

Review EISCO Heavy Filter Funnel 75mm Plain Stem 8mm Thick Uniform Walls Boros

The **Eisco 313090454401 Borosilicate Glass Filter Funnel with 75mm Stem and 8mm Uniform Walls** is a precision-engineered laboratory accessory designed for reliable and efficient filtration processes in scientific, educational, and industrial settings. Crafted from high-quality **borosilicate glass (Type 3.3)**, this funnel offers exceptional thermal and chemical resistance, making it ideal for applications involving corrosive reagents, high-temperature solvents, or repeated sterilization cycles. Its **uniform 8mm wall thickness** ensures structural integrity while minimizing the risk of breakage during handling, and the **75mm stem length** provides optimal drainage flow without compromising stability. The smooth, tapered design of the funnel s body facilitates seamless filtration of liquids and suspensions, reducing clogging and ensuring consistent results. Whether used in qualitative or quantitative analysis, this funnel is a versatile tool for laboratories requiring durability, clarity, and precision. Its compatibility with standard laboratory glassware and adaptability to various filtration techniques such as vacuum or gravity filtration make it a staple in both academic research and routine analytical procedures. The borosilicate construction also ensures optical transparency, allowing for easy monitoring of the filtration process, while its seamless construction eliminates potential weak points that could lead to leaks or contamination. Perfect for use in chemistry labs, pharmaceutical testing, environmental analysis, and educational demonstrations, this funnel exemplifies reliability and performance in demanding filtration applications.

### **Pros and Cons of the Eisco 313090454401 Filter Funnel (75mm Stem, 8mm Uniform Walls, Borosilicate Glass)**

1. **Durability and Chemical Resistance** Made from borosilicate glass, this funnel is highly resistant to thermal shock and most chemicals, making it suitable for laboratory use, distillation, and filtration tasks.

2. **Uniform Wall Thickness** The 8mm uniform walls ensure even heat distribution and structural integrity, reducing the risk of breakage during heating or handling.

3. **Compatibility with Standard Lab Equipment** The 75mm stem diameter fits common laboratory setups, including condensers, flasks, and filtration apparatus, making it versatile for various procedures.

4. **Clarity and Precision** Borosilicate glass provides excellent optical clarity, allowing for accurate visual monitoring of filtration processes.

5. **Long-Term Reliability** High-quality glass construction means it can withstand repeated use without significant wear, making it a cost-effective investment for frequent lab work.

6. **Easy to Clean** Smooth glass surfaces are less prone to residue buildup compared to plastic or lower-grade glass, simplifying cleaning and maintenance.

7. **Compatibility with Vacuum Systems** The design supports vacuum filtration when paired with appropriate adapters, expanding its utility in laboratory applications.

1. **Fragility Compared to Plastic** While borosilicate glass is durable, it can still shatter if dropped or subjected to extreme thermal stress, unlike plastic alternatives that may be more resilient in rough handling.

2. **Higher Cost Than Plastic Funnels** Borosilicate glass funnels are generally more expensive than their plastic counterparts, which may be a consideration for budget-conscious users or casual applications.

3. **Weight** The glass material makes the funnel heavier than plastic options, which could be less convenient for prolonged use or fieldwork.

4. **Limited Temperature Resistance (Relative to Specialty Glass)** While borosilicate glass handles high temperatures well, it may not match the extreme heat resistance of certain specialty laboratory glassware (e.g., quartz).

5. **Potential for Scratches or Damage Over Time** Frequent use with abrasive materials or rough handling can lead to scratches or micro-fractures, though these do not typically compromise functionality until severe.

6. **Not Ideal for High-Pressure Applications** Unless reinforced, borosilicate glass funnels are not designed for high-pressure filtration systems, which may require specialized or reinforced glassware.

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### **Conclusion**

The **Eisco 313090454401 borosilicate glass filter funnel** is an excellent choice for **laboratory, scientific, or industrial applications** where durability, chemical resistance, and precision are critical. Its uniform wall thickness and borosilicate construction ensure reliability in heating, filtration, and distillation tasks. However, its higher cost and fragility compared to plastic alternatives may make it less ideal for casual or low-budget use.

If you prioritize **long-term performance, chemical compatibility, and accuracy** particularly in settings like chemistry labs, distilleries, or pharmaceutical work this funnel is a strong recommendation. For **budget-friendly or non-laboratory use**, a plastic or lower-grade glass funnel might suffice.

Purchase this funnel if you need a **high-quality, long-lasting, and chemically resistant** piece of lab equipment for serious scientific or industrial use. If cost or fragility is a concern, weigh the trade-offs against your specific needs before deciding.

Details:

THICK, UNIFORM WALLS Features thick, uniform walls that allow for increased durability, ease of use and continual flow liquid. MEASUREMENTS Funnel measures 76mm in diameter - Stem has measuring 8mm. FILTER PAPER NEEDED In addition to funnel, filter paper is required correctly separate solids and liquids - Can be used with various sizes of. Filter funnel made of high quality borosilicate glass.

Plain 60 angle. Eisco Labs proudly manufactures its own products using state-of-the-art equipment, and following the highest standards of quality control. DURABLE STURDY Made of high quality Borosilicate 3.3 glass that is built to last and withstand multiple uses - Glass the material choice for laboratory applications due its inertness. HEAVY FILTER Heavy filter funnel 60 Angle with 8mm diameter plain stem - construction provides greater mechanical strength and prolonged life harder than normal usage.

specifications filtecam:

• brand: Eisco
• part type: Wall Filter Stem
• filter color: Transparent
• material: Borosilicate Glass
• product dimensions: 3w X 5.5h
• wide end diameter: 75 Millimeters
• upc: 313090454401

offer filtecam:

• availability: In Stock
• options: Ship-to-home
• started: April 4, 2026
• sold: 0
• quantity: 1

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• time: 30 Days
• paid by: Seller
• policy: Returns Accepted
• method: Money back

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• transit: 5-10 Days
• cost: $0.00
• service: Expedited
• type: Fixed
• class: Expedited

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seller filtecam:

• city: Denver, Colorado
• rating: 99.8%
• # reviews: 611

general filtecam:

• condition: New
• Cameras Photo > Lenses Filters > Filters