FISHERBRAND Box Filter Unit Um FB12566505 500 0.45 05/10/29

( Brand: Fisherbrand ), ( Manufacturer Part Number: 12566505 ), ( Model: FB12566505 ), ( Part Type: Box Filter Unit ), ( Unit Type: Unit ), ( Country Of Origin: United States ), ( Intended Use/discipline: Biological Laboratory, Microbiological Laboratory )

Review FISHERBRAND Box Filter Unit 500 Ml 0.45 Um Exp 05/10/29

The **Fisherbrand 12566505 Box of 12 FB12566505 Filter Units (500 mL, 0.45 m)** is a high-performance, sterile-grade filtration system meticulously engineered for precision laboratory applications requiring consistent and reliable filtration of liquids, gases, or sterile media. Each filter unit in this box is a **polyethersulfone (PES) membrane**, a robust and chemically resistant material renowned for its exceptional clarity, low protein binding, and superior flow rates, making it ideal for a wide range of biopharmaceutical, microbiological, and analytical processes. With a **nominal pore size of 0.45 micrometers**, these filters effectively remove bacteria, particulates, and other contaminants while maintaining the integrity of sensitive biomolecules, such as proteins, antibodies, and vaccines. The **500 mL capacity** of each unit ensures versatility for small-scale experiments, sample preparation, or sterile filtration tasks in research, clinical diagnostics, or pharmaceutical manufacturing. Designed with a **sterile, vented cap** and a **low-binding polypropylene housing**, the FB12566505 minimizes the risk of contamination and ensures compatibility with a broad spectrum of solvents, buffers, and aqueous solutions, including those used in cell culture, PCR applications, and sterile filtration of injectable drugs. The **pre-sterilized, individually packaged** design guarantees a clean, ready-to-use filtration solution, reducing the need for additional sterilization steps and streamlining workflows. Whether used for **cell culture media filtration, sample clarification, or sterile filtration of pharmaceutical formulations**, this product delivers consistent performance with every use, backed by Fisher Scientific s reputation for quality and reliability in laboratory consumables. The **lot code 05/10/29** indicates a recent manufacturing date, ensuring optimal freshness and adherence to stringent quality control standards. Perfect for laboratories prioritizing efficiency, sterility, and precision, the Fisherbrand FB12566505 filter units are an indispensable tool for scientists and technicians demanding dependable filtration solutions.

### **Fisherbrand 12566505 (Box of 12, FB12566505, 500 mL, 0.45 m) Filter Unit Pros and Cons**

1. **High Filtration Efficiency** The 0.45 m pore size effectively removes bacteria, particles, and some larger contaminants, making it suitable for laboratory and general filtration applications.

2. **Durability and Reusability** The filter unit is designed for repeated use (up to 500 mL per filter), reducing waste compared to disposable filters.

3. **Cost-Effective for Bulk Use** Purchasing a box of 12 units provides better value than buying individual filters, especially for frequent or high-volume filtration needs.

4. **Compatibility with Fisherbrand Systems** Works seamlessly with other Fisher Scientific filtration equipment, ensuring compatibility in lab setups.

5. **Sterile Filtration Capability** If used with sterile techniques, it can help in preparing sterile solutions for microbiological work.

6. **Easy to Clean and Maintain** The reusable nature allows for cleaning and reuse, extending the filter s lifespan if properly maintained.

7. **Wide Application Range** Suitable for cell culture media, buffer preparation, and general liquid filtration in research and industrial settings.

1. **Limited Pore Size for Viruses** The 0.45 m rating does not filter out viruses, which require smaller pore sizes (e.g., 0.2 m).

2. **Potential for Clogging** If used with highly particulate or viscous samples, the filter may clog quickly, reducing efficiency and requiring frequent cleaning or replacement.

3. **Maintenance Requirements** Unlike single-use filters, reusable filters require thorough cleaning between uses, which can be time-consuming and may introduce contamination risks if not done properly.

4. **Higher Upfront Cost** While cost-effective in the long run, the initial purchase price for a box of 12 may be higher than buying disposable filters in smaller quantities.

5. **Durability Concerns Over Time** Repeated use and cleaning can degrade the filter membrane, potentially reducing its effectiveness after many cycles.

6. **Not Ideal for Sterile Filtration Without Additional Steps** While it can filter bacteria, achieving true sterility may require additional sterilization procedures (e.g., autoclaving or UV exposure).

7. **Compatibility Limitations** May not fit all filtration systems, especially those designed for disposable filters, requiring verification of compatibility before purchase.

---

The **Fisherbrand 12566505 filter unit** is a practical choice for laboratories or applications requiring reusable, mid-range filtration (0.45 m). It excels in cost savings for high-volume use and durability, making it ideal for settings where frequent filtration is needed and proper maintenance can be ensured. However, its limitations such as inability to filter viruses, potential clogging, and maintenance demands make it less suitable for sterile or ultra-clean environments where disposable filters or smaller pore sizes are required.

---

- You need a reusable filter for general laboratory use (e.g., cell culture media, buffer preparation).

- You perform frequent filtrations and want to minimize waste.

- Your budget allows for the upfront cost, and you can commit to proper cleaning and maintenance.

- The 0.45 m rating meets your contamination removal needs (e.g., bacteria, large particles).

- You require virus removal or ultra-low particulate filtration (consider a 0.2 m filter instead).

- Your workflow involves highly viscous or particulate samples that may clog the filter quickly.

- You prioritize convenience and are unwilling to perform cleaning and maintenance.

- You need single-use, sterile filtration for critical applications (e.g., pharmaceuticals, sterile media).

For **sterile or virus-free applications**, consider disposable 0.2 m filters. For **high-volume, reusable needs**, this unit is a strong, cost-effective option. Always verify compatibility with your existing filtration setup before purchasing.

Details:

This unit will arrive in the condition shown. Orders are shipped to the cardholders billing address. Pore Size: 0.45 um. Warranty This item is guaranteed to be as described.

Shipping Buyer pays for all shipping costs. BOX 12 FISHERBRAND FB12566505 FILTER UNIT 500 ML 0.45 UM EXP 05/10/29: This lot is for one Fisherbrand Filter Unit mL um. Power cords and power adapters are never included unless specifically mentioned. Volume: 500 mL.

part #: 12566505 price

• $68.99

specifications plasticwarelabsuppy:

• brand: Fisherbrand
• mpn: 12566505
• model: Fb12566505
• part type: Box Filter Unit
• unit type: Unit
• country of origin: United States
• intended use/discipline: Biological Laboratory, Microbiological Laboratory

payments plasticwarelabsuppy:

• credit card: Visa
• other
• wallet: Paypal

seller plasticwarelabsuppy:

• rating: 100.0%
• # reviews: 8485
• city: Las Vegas, Nevada

offer plasticwarelabsuppy:

• sold: 0
• availability: In Stock
• started: May 2, 2026
• best offers: True
• quantity: 2
• options: Ship-to-home

general plasticwarelabsuppy:

• Medical, Lab Dental Supplies > Glassware Plasticware > Other Medical Lab Glassware
• condition: New Open box

shipping plasticwarelabsuppy:

• cost: $42.35
• service: UPS Ground, UPS 2nd Day Air
• carrier: UPS
• type: Calculated
• transit: 5-8 Days
• class: Standard, Expedited

returns plasticwarelabsuppy:

• policy: No Returns

Fisherbrand 12566505 Is Similar To:

• 09-795f Fisherbrand Fisher Brand Filter (35.9% similar) Up for offer is a brand new, unopened box of Fisherbrand qualitative filter paper. For laboratory use. The diameter of filters is 15 centimeters and writing on box indicates that there are approximately 100 individual inside. This item is being sold as new and to domestic buyers only. The catalog ...(February 24th, 2018)
• 13-678-20b Fisherbrand Box Of Disposable Pasteur Pipets Glass (37.4% similar) ...(January 9th, 2019)
• 13-711-5am Fisherbrand Clear Disposable Transfer Pipettes Count New In Box (21.1% similar) 3ML depending on size used all deliver repeatable drop sizes can be sealed and refrigerated for sample storage seal with cat. If you don't see an item in the pictures assume its included. Only lower 48 states all other destinations message for shipping quote. 4ML put an end to matching rubber bulb ...(November 3rd, 2018)
• 14-961-26 Fisherbrand Lot Of Box Culture Tube Tubes On Each (36.5% similar) Lot of 12 box Fisherbrand culture tube 12X75MM 250 tubes on each...(January 16th, 2019)
• 14-961-28 Fisherbrand Box Of Culture Tube New (35.8% similar) I ship to the continental USA only...(February 1st, 2019)
• 14-961-32 Fisherbrand Opened Box Of Disposable Glass Culture Test Tubes (33.6% similar) Used glassware will show signs of wear sometimes including light scratches, discoloration, stickers tape, or exterior markings. Thorough cleaning and sterilization are recommended before use. Brand: Fisherbrand mpn: remain in box. Opened box, unused test tubes...(June 18th, 2018)
• 100-place 14-100a Fisherbrand Fisher Scientific Polypropylene 0.5 1.5 2.0ml Freezer Box Pk 5 (24.7% similar) No other accessories included. Packaging has been opened. Comes as shown. Photos may be of similar items from the same bulk lot. Item for sale Fisherbrand 100 place polypropylene...(July 8th, 2016)
• 03-448-5 Fisherbrand Fisher Brand Foam Lined 100 Place Slide Box White (28.4% similar) Hold 3 x 1 in. And 75 x 25MM slides numbered slide partitions correspond to numbered index card in 100 slide box comes with hinged lid free shipping us only...(January 31st, 2016)
• 09-804-90a Fisherbrand New Glass Fiber Filter Circles G6 9.0 Cm 100 Cirlces (39.2% similar) Suitable for many corrosive applications. Low and biologically inert, with no organic binders offer higher retention efficiency of fine particles. Box is unopened ideal fit for Buckner funnels of 10 cm diameter. Used as pre filters and for analyses. Cm diameter. Box contains 100 circles of...(February 23rd, 2016)
• 5.5cm 9-790-4e Qualitative Fisherbrand Clearance Filter Circles 7.5cm 12.5 Cm Open (36.3% similar) You get all four boxes. Most are almost full, but I didn't count them. Heres a nice little lot of Fisherbrand filter circles...(December 2nd, 2016)
• 10-490-4 Fisherbrand Fisher Brand Airtight Quartz Crucibles Box Of Ml Capacity (28.2% similar) Fisher brand airtight quartz crucibles catalog no: discontinued item box of 4, never used 10 ml capacity...(October 18th, 2019)