Quick Selection Guide
| Application | Recommended Series | Pore Size |
| HPLC / UHPLC sample prep | Standard PES | 0.22 µm |
| Cell culture media sterilization | Sterile PES | 0.22 µm |
| Buffer / aqueous clarification | Standard PES | 0.45 µm |
| Protein / enzyme filtration | Sterile PES | 0.22 µm |
| Pre-filtration (dirty samples) | Disposable PES | 0.65–1.0 µm |
Product Series Overview
1. Disposable PES Syringe Filters (Routine Use)
Designed for cost-effective, single-use laboratory filtration
- Non-sterile format
- Fast filtration performance
- Ideal for pre-filtration and buffer work
- Minimizes cross-contamination risk
Related: Nylon Syringe Filters for General Filtration
2. Standard PES Syringe Filters (Analytical Grade)
Designed for HPLC / GC and aqueous analysis workflows
- Low protein binding
- Stable pore structure
- High reproducibility
- Optional sterile versions
Related: PVDF Syringe Filters for Protein & Biological Samples
3. Sterile PES Syringe Filters (Biotech Grade)
Designed for cell culture and pharmaceutical sterile filtration
- Gamma irradiated (SAL 10⁻⁶)
- Endotoxin controlled
- Ready-to-use sterile packaging
- Ideal for sensitive biological workflows
Applications
PES syringe filters are widely used in:
- HPLC / UHPLC / GC sample preparation
- Cell culture media sterilization
- Protein & enzyme filtration
- Buffer and aqueous solution clarification
- Pharmaceutical quality control (QC)
- Environmental water testing
- Microbiological analysis
Why PES Membrane?
Polyethersulfone (PES) is one of the most advanced filtration membranes for aqueous systems.
Key advantages:
- Hydrophilic surface → no pre-wetting required
- Ultra-low protein binding → protects sample integrity
- High permeability → faster workflow
- Stable pore structure → reproducible results
- Broad aqueous compatibility
Compared with other membranes:
| Membrane | Best Use | Limitation |
| PES | Aqueous & biological samples | Not for organic solvents |
| PTFE | Organic solvents & gases | Requires pre-wetting |
| PVDF | Protein work | Moderate binding |
| Nylon | General filtration | Higher adsorption |
Technical Specifications
| Parameter | Specification |
| Membrane | Polyethersulfone (PES), hydrophilic |
| Pore Sizes | 0.1 / 0.22 / 0.45 / 0.65 / 1.0 µm |
| Diameters | 4 / 13 / 25 / 33 / 50 mm |
| Housing | Medical-grade polypropylene (PP) |
| Max Pressure | 5.2–6.2 bar |
| Temperature | Up to 60°C |
| Protein Binding | Ultra-low |
| Sterility | Gamma irradiated (sterile series) |
SKU Table
Disposable PES Syringe Filters
| Item Code | Pore Size(μm) | Diameter(mm) | Sterile | Quantity/pk |
| 11042201 | 0.22 | 13 | No | 100pcs |
| 11042202 | 0.45 | 13 |
| 11042203 | 0.22 | 25 |
| 11042204 | 0.45 | 25 |
Standard PES Syringe Filters
The following product codes help users quickly identify the correct configuration based on pore size, diameter, and sterility requirements.
| Cat# | Pore Size(μm) | Diameter(mm) | Sterile | Pre-filter | Package(pcs/pk) |
| 11044201 | 0.1 | 4 | No | No | 100 |
| 11044202 | 0.22 | 4 | No | No | 100 |
| 11044203 | 0.45 | 4 | No | No | 100 |
| 11048207 | 0.1 | 13 | No | No | 100 |
| 11043201 | 0.22 | 13 | No | No | 100 |
| 11043202 | 0.45 | 13 | No | No | 100 |
| 11048213 | 0.1 | 25 | No | No | 100 |
| 11043203 | 0.22 | 25 | No | No | 100 |
| 11043204 | 0.45 | 25 | No | No | 100 |
| 11048219 | 0.1 | 33 | No | No | 50 |
| 11048220 | 0.22 | 33 | No | No | 50 |
| 11048221 | 0.45 | 33 | No | No | 50 |
| 11048227 | 0.1 | 50 | No | No | 25 |
| 11048228 | 0.22 | 50 | No | No | 25 |
| 11048229 | 0.45 | 50 | No | No | 25 |
| 11048601 | 0.1 | 13 | No | PP | 100 |
| 11048602 | 0.22 | 13 | No | PP | 100 |
| 11048603 | 0.45 | 13 | No | PP | 100 |
| 11048609 | 0.1 | 25 | No | PP | 100 |
| 11048610 | 0.22 | 25 | No | PP | 100 |
| 11048611 | 0.45 | 25 | No | PP | 100 |
| 11048617 | 0.1 | 33 | No | PP | 50 |
| 11048618 | 0.22 | 33 | No | PP | 50 |
| 11048619 | 0.45 | 33 | No | PP | 50 |
| 11048633 | 0.1 | 13 | No | GF | 100 |
| 11048634 | 0.22 | 13 | No | GF | 100 |
| 11048635 | 0.45 | 13 | No | GF | 100 |
| 11048641 | 0.1 | 25 | No | GF | 100 |
| 11048642 | 0.22 | 25 | No | GF | 100 |
| 11048643 | 0.45 | 25 | No | GF | 100 |
| 11048649 | 0.1 | 33 | No | GF | 50 |
| 11048650 | 0.22 | 33 | No | GF | 50 |
| 11048651 | 0.45 | 33 | No | GF | 50 |
Sterile PES Syringe Filters
The following product codes help users quickly identify the correct configuration based on pore size, diameter, and sterility requirements.
| Cat# | Pore Size(μm) | Diameter(mm) | Sterile | Package(pcs/pk) |
| 11044401 | 0.1 | 4 | Gamma sterile | 100 |
| 11044402 | 0.22 | 4 | Gamma sterile | 100 |
| 11044403 | 0.45 | 4 | Gamma sterile | 100 |
| 11044404 | 0.65 | 4 | Gamma sterile | 100 |
| 11044405 | 0.8 | 4 | Gamma sterile | 100 |
| 11044406 | 1 | 4 | Gamma sterile | 100 |
| 11044407 | 3 | 4 | Gamma sterile | 100 |
| 11044408 | 5 | 4 | Gamma sterile | 100 |
| 11048407 | 0.1 | 13 | Gamma sterile | 100 |
| 11048403 | 0.22 | 13 | Gamma sterile | 100 |
| 11048404 | 0.45 | 13 | Gamma sterile | 100 |
| 11048408 | 0.65 | 13 | Gamma sterile | 100 |
| 11048409 | 0.8 | 13 | Gamma sterile | 100 |
| 11048410 | 1.2 | 13 | Gamma sterile | 100 |
| 11048411 | 3 | 13 | Gamma sterile | 100 |
| 11048412 | 5 | 13 | Gamma sterile | 100 |
| 11048413 | 0.1 | 25 | Gamma sterile | 100 |
| 11048405 | 0.22 | 25 | Gamma sterile | 100 |
| 11048406 | 0.45 | 25 | Gamma sterile | 100 |
| 11048414 | 0.65 | 25 | Gamma sterile | 100 |
| 11048415 | 0.8 | 25 | Gamma sterile | 100 |
| 11048416 | 1.2 | 25 | Gamma sterile | 100 |
| 11048417 | 3 | 25 | Gamma sterile | 100 |
| 11048418 | 5 | 25 | Gamma sterile | 100 |
| 11048419 | 0.1 | 33 | Gamma sterile | 50 |
| 11048420 | 0.22 | 33 | Gamma sterile | 50 |
| 11048421 | 0.45 | 33 | Gamma sterile | 50 |
| 11048422 | 0.65 | 33 | Gamma sterile | 50 |
| 11048423 | 0.8 | 33 | Gamma sterile | 50 |
| 11048424 | 1.2 | 33 | Gamma sterile | 50 |
| 11048425 | 3 | 33 | Gamma sterile | 50 |
| 11048426 | 5 | 33 | Gamma sterile | 50 |
| 11048427 | 0.1 | 50 | Gamma sterile | 25 |
| 11048428 | 0.22 | 50 | Gamma sterile | 25 |
| 11048429 | 0.45 | 50 | Gamma sterile | 25 |
| 11048430 | 0.65 | 50 | Gamma sterile | 25 |
| 11048431 | 0.8 | 50 | Gamma sterile | 25 |
| 11048432 | 1.2 | 50 | Gamma sterile | 25 |
| 11048433 | 3 | 50 | Gamma sterile | 25 |
| 11048434 | 5 | 50 | Gamma sterile | 25 |
Why Choose Hawach PES Syringe Filters?
- Stable batch-to-batch quality
- ISO 9001 / ISO 13485 certified production
- ISO Class 7 cleanroom manufacturing
- Gamma sterilization (SAL 10⁻⁶)
- Endotoxin tested (<0.25 EU/mL)
- OEM / private label available
- Global bulk supply capability
Bulk Order & OEM Supply
We support global laboratory and distributor supply chains.
- Factory direct pricing
- OEM branding / packaging
- Bulk order discounts
- Fast global shipping
- Technical support for applications
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FAQ
What is a PES syringe filter used for?
PES syringe filters are used for aqueous and biological sample filtration, including HPLC, cell culture media, and pharmaceutical applications.
What is the difference between PES and PTFE syringe filters?
PES is hydrophilic and ideal for water-based solutions, while PTFE is hydrophobic and used for organic solvents and gases.
Related: PTFE Syringe Filters Guide
Are PES syringe filters suitable for sterile filtration?
Yes, sterile PES syringe filters are widely used for cell culture and biological sterilization applications.
Do PES filters bind proteins?
No. PES has ultra-low protein binding, making it ideal for sensitive biological samples.
What pore size should I choose?
- 0.22 µm → Sterile filtration
- 0.45 µm → General clarification
- 1.0 µm → Pre-filtration
Are these filters reusable?
No. Syringe filters are designed for single-use to prevent contamination.