VWR 89095-298 Media Bottles Square Petg 125 4.2 Oz. 106.7 54.4 38-430 34

( Brand: Vwr ), ( Manufacturer Part Number: 89095-298 ), ( Unit Type: Unit ), ( Country Of Origin: United States )

Review VWR Media Bottles Square Petg 125 Ml 4.2 Oz. 106.7mm 54.4 34

The **VWR 89095-298 Media Bottles (Square PETG, 125 mL)** are a high-quality, versatile laboratory consumable designed to meet the precise needs of microbiological, biochemical, and cell culture applications. Crafted from **PETG (Polyethylene Terephthalate Glycol)**, these square bottles combine durability with excellent chemical resistance, ensuring compatibility with a wide range of solvents, buffers, and growth media without degradation or leaching. Their **125 mL capacity** strikes an ideal balance between practicality and space efficiency, making them suitable for small-scale experiments, sample storage, or as auxiliary containers in workflows where precise volume control is essential. The **square design** not only optimizes shelf space in laboratory cabinets but also enhances stability when stacked or handled, reducing the risk of accidental spills or breakage a critical consideration in busy research or clinical settings.

Each bottle features a **tight-sealing screw cap** with a **4.2 cm (1.65 in) diameter opening**, allowing for easy access to contents while maintaining sterility when properly sealed. The **dimensions of 106.7 mm (4.2 in) in height and 54.4 mm (2.14 in) in width** ensure compatibility with standard laboratory equipment, including autoclaves, incubators, and pipetting systems, without requiring modifications to existing workflows. The **38-430 series designation** indicates a sterile, pre-sterilized packaging option, making these bottles ready for immediate use in aseptic environments such as microbiology labs, tissue culture facilities, or pharmaceutical manufacturing. Additionally, the **sterile packaging** (34) ensures that the bottles arrive in a clean, contamination-free state, minimizing the risk of introducing extraneous microorganisms or particles into sensitive experiments.

Beyond their functional attributes, these media bottles are engineered with **transparency and clarity** in mind, allowing for easy visual inspection of contents without the need for additional containers or markers. The PETG material provides a **high level of chemical resistance**, making these bottles suitable for storing organic solvents, acids, bases, and even certain antibiotics or growth media without compromising integrity. The **smooth, non-porous surface** further reduces the likelihood of microbial adhesion, which is particularly advantageous in long-term storage applications. Whether used for **culturing cells, preparing media stocks, or storing biological samples**, these bottles offer a reliable, cost-effective solution that aligns with the demands of modern laboratory practices. Their compatibility with standard laboratory protocols, combined with their durability and sterility, makes them an indispensable tool for researchers, technicians, and professionals in fields ranging from biotechnology to medical diagnostics.

### **Pros and Cons of Buying VWR 89095-298 Media Bottles (Square PETG, 125 mL, 4.2" x 106.7 x 54.4 mm, 38-430, 34 mm Neck)**

1. **High-Quality Material (PETG)** Polyethylene Terephthalate Glycol (PETG) is a durable, chemically resistant, and shatter-resistant plastic. It is ideal for laboratory use where breakage is a concern, as it is more robust than standard glass or even some HDPE plastics.

2. **Standardized Dimensions** The bottle dimensions (4.2" x 106.7 x 54.4 mm) and neck size (34 mm) are consistent with common laboratory bottle standards, making them compatible with most lab equipment, including pumps, filters, and storage systems.

3. **Chemical Resistance** PETG is resistant to many solvents, acids, and bases, making it suitable for storing a wide range of reagents, samples, and media without degradation.

4. **Transparency** The clear PETG allows for easy visual inspection of contents, which is useful for monitoring samples or solutions without opening the bottle.

5. **Reusable and Recyclable** Unlike single-use plastics, PETG bottles can be reused multiple times, reducing waste. They are also recyclable, aligning with sustainability goals.

6. **Compatibility with Lab Systems** The 38-430 designation suggests these bottles are designed to fit standard laboratory bottle caps and sealing systems, ensuring a secure closure to prevent leaks or contamination.

7. **Wide Availability from a Trusted Supplier (VWR)** VWR is a well-known supplier of laboratory consumables, ensuring reliable quality control, availability, and customer support.

8. **Cost-Effective for Bulk Use** While individual bottles may not be the cheapest option, purchasing in bulk (if available) can reduce per-unit costs, making them economical for labs with high-volume needs.

9. **Sterilizable** PETG can typically withstand autoclaving or other sterilization methods, depending on the specific grade, making them suitable for sterile applications.

10. **Versatile Applications** These bottles can be used for storing liquids, cultures, samples, or even as media containers in biological or chemical experiments.

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1. **Higher Cost Than Some Alternatives** PETG bottles are generally more expensive than low-cost HDPE or polypropylene bottles, especially if purchased in small quantities.

2. **Potential for Scratches or Wear** While durable, PETG can scratch over time, especially if abrasive materials are stored inside. This may affect transparency and aesthetics.

3. **Limited Temperature Resistance** PETG has a lower heat resistance compared to some other plastics (e.g., polypropylene or polycarbonate). Prolonged exposure to high temperatures (above 120 C) may cause warping or degradation.

4. **Not All Chemicals Are Compatible** While PETG resists many chemicals, some strong oxidizing agents (e.g., concentrated sulfuric acid or hydrogen peroxide) may degrade it over time. Always check compatibility with the specific chemical being stored.

5. **Weight and Bulkiness** PETG bottles are heavier than some alternatives (e.g., glass bottles with protective casings), which may be a consideration for labs with space or handling constraints.

6. **Potential for Static Buildup** Like many plastics, PETG can generate static electricity, which may be problematic when handling sensitive electronic or biological samples.

7. **Limited Availability of Custom Sizes** If your lab requires non-standard sizes or shapes, these bottles may not be flexible enough, and custom options could be more expensive.

8. **Environmental Concerns (Despite Recyclability)** While PETG is recyclable, not all recycling facilities accept it, and improper disposal can still contribute to plastic waste if not managed correctly.

9. **Potential for Leakage Over Time** If the cap or seal is not properly tightened or if the bottle is subjected to pressure changes (e.g., freezing/thawing), leaks may occur.

10. **Not Ideal for High-Pressure Applications** Unlike glass or certain metals, PETG is not designed for high-pressure environments (e.g., pressurized gas storage or autoclaving under extreme conditions).

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The **VWR 89095-298 PETG media bottles** are an excellent choice for laboratories requiring **durable, shatter-resistant, and chemically resistant** storage solutions. Their standardized dimensions, transparency, and compatibility with lab systems make them highly practical for a wide range of applications, from reagent storage to biological media. However, their **higher cost, limited temperature resistance, and potential chemical incompatibilities** may make them less ideal for budget-conscious labs or applications involving extreme conditions.

If your lab prioritizes **safety, durability, and chemical resistance** over cost savings, these bottles are a strong recommendation. For applications requiring **ultra-low cost, extreme heat resistance, or non-standard sizes**, alternative materials (e.g., HDPE, polypropylene, or glass) may be more suitable.

- Your lab handles **hazardous or abrasive chemicals** that require a durable, non-breakable container.

- You need **standardized, reusable bottles** for long-term storage of samples or media.

- Compatibility with **existing lab equipment** (e.g., pumps, filters) is a priority.

- You value **transparency and ease of inspection** without compromising safety.

- Your budget is tight, and **lower-cost HDPE or polypropylene bottles** will suffice.

- Your applications involve **high temperatures or extreme pressure**, where PETG may degrade.

- You require **custom or non-standard bottle sizes** not covered by this product line.

For most **general laboratory use**, especially in **biological, chemical, or environmental labs**, the **VWR 89095-298 PETG bottles** are a **highly recommended** choice due to their balance of durability, safety, and functionality.

Details:

High Clarity: The PETG material is glass-clear, allowing for easy visual inspection of the contents. They are made from PETG polyethylene triathlete glycol, which provides excellent clarity and gas barrier properties to protect sensitive contents. Leak-Proof: Typically features a liner less screw cap design to prevent contamination and leakage. Graduations: Most bottles in this series include molded-in graduations for approximate volume measurements.

These are high-quality, square-shaped bottles designed for the safe storage and sampling of culture media, Serra, buffers, other aqueous solutions. Key Features Certified Purity: These bottles are certified progeny-free and nucleate-free RNA's/Danes, making them safe for sensitive molecular biology applications. Material PETG Polyethylene Triathlete Glycol.

part #: 89095298 prices

• $60.00-$99.99

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• mpn: 89095-298
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• country of origin: United States

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