No.: 11251001/11251002
Branch: Single
Funnel Size: 300mL, 500mL
Funnel Valve: Glass
Support Screen: Pyrex glass
Screen Pore Size: 10μm
Connection: Ground Joint
Collection Bottle: 1000mL, 2000mL
Availability: In Stock
Glass Filtration Apparatus | Single-Unit Vacuum Filter
Description
Cat. No. 11251001 / 11251002 – Direct replacement for common lab glass filter holders. OEM ready. Autoclavable.
Product Definition
Hawach Glass Filtration Apparatus is a single-unit, all-glass vacuum filtration system for laboratory solvent preparation, particle removal, and microbiological testing. It is designed as a direct replacement for standard glass filter holders used in HPLC and analytical laboratories, offering full compatibility with industry-standard membranes and vacuum systems. It consists of:
- Borosilicate glass funnel
- Sintered Pyrex glass support disc (10 µm)
- Anodized aluminum spring clamp
- Glass collection flask (1000 or 2000 mL)
- Ground glass joint connection
All wetted parts are glass or PTFE-compatible (no metal, no polymer shedding). Used for HPLC mobile phase preparation, microbiological testing, and general analytical filtration.
Technical Specifications
| Parameter | 11251001 | 11251002 |
| Funnel volume | 300 mL | 500 mL |
| Flask volume | 1000 mL | 2000 mL |
| Support screen material | Pyrex sintered glass (frit) | Pyrex sintered glass (frit) |
| Support pore size | 10 µm | 10 µm |
| Membrane diameter accepted | 47 / 50 mm | 60 mm |
| Connection | Ground glass joint | Ground glass joint |
| Autoclavable | Yes (121°C) | Yes (121°C) |
| Material | Borosilicate glass 3.3 | Borosilicate glass 3.3 |
Key feature for B2B buyers: The integrated fritted glass support eliminates external metal or polymer support structures, reducing consumable replacement, validation workload, and long-term operating cost in regulated laboratory environments.
Applications
- HPLC mobile phase preparation with particle control and system protection
- Microbiological sample filtration for analytical validation workflows
- R&D solvent purification under vacuum conditions
- Routine laboratory filtration of chemically aggressive solutions
Cross-Brand Compatibility & Replacement Advantage
| If you currently use | Hawach equivalent | Advantage |
| Millipore / Sartorius all-glass filter holder | 11251001 / 11251002 | No modification required for existing laboratory vacuum filtration setups. |
| Generic glass filtration kit | 11251001 / 11251002 | Guaranteed 10 µm frit, even glass thickness, vacuum-tested leakproof. |
| Stainless steel / plastic filter holders | All-glass version | Eliminates metal leaching / plastic extractables – critical for trace analysis. |
Ordering & Packaging
| Cat. No. | Included components | Pack |
| 11251001 | 300 mL funnel + 1000 mL flask + aluminum clamp + fritted base | 1 set/box |
| 11251002 | 500 mL funnel + 2000 mL flask + aluminum clamp + fritted base | 1 set/box |
Download PDF Datasheet
OEM options available:
- Custom laser-etched logo on glass
- Private label box / blister packaging
- Bulk production with stable batch-to-batch dimensional control
- Private label supply for distributors and laboratory brands
- Stable long-term supply for laboratory distributors and OEM partners
Operational Cautions
Ensure proper membrane replacement and do not overfill the collection flask. Not suitable for flammable liquids.
Quality & Compliance Evidence
- Batch traceability– each unit marked with production lot
- Material certificate– borosilicate glass 3.3, Pyrex frit
- Free validation report– upon request, including vacuum decay test and dimensional inspection
Request a Quote / Equivalent Match
Send your current filter holder brand, model number, or photo for direct cross-reference. We provide equivalent match, technical drawings, and quotation within 24 hours.
- Direct equivalent recommendation
- Full datasheet (PDF)
- Bulk / OEM pricing
- Sample availability
For distributors: OEM, stock programs, and region exclusivity available. For further details, please contact: info@hawach.com
The quality has a guarantee
Fast & safe shipping worldwide
Contact Hawach for a Quotation
Enter your email address and our sales staff will
contact you as soon as possible.
