Catalog Number - 58846-E-07-005

58846-E-07-005 ARE‑Applied Research Mobile Phase Inlet Filters are economy, biocompatible, all‑PTFE filtration devices designed for HPLC, UHPLC, and LC‑MS mobile phase delivery systems, delivering high throughput, excellent chemical compatibility, and maximum solvent utilization in a cost‑efficient format.

These filters incorporate a “Last Drop” flat bottom‑draw design, allowing nearly complete withdrawal of solvent from reservoir bottles—minimizing waste and supporting uninterrupted performance during long analytical runs.

Constructed entirely from PTFE, these filters provide low extractables, broad chemical resistance, and suitability for sensitive analytical workflows, while enabling flexible system configurations.

✅ See pack of 2 option for smaller quantity purchasing and inventory flexibility

“Last Drop” Design – Maximum Solvent Utilization

• 22 mm flat filter geometry

• Sits at the lowest point in the reservoir bottle

• Draws solvent to near‑empty conditions

• Minimizes waste and reduces risk of pump starvation

✅ Ideal for high‑volume solvent use and long analytical sequences

✅ Improves efficiency and solvent cost management

5 µm PTFE Element – High Capacity Filtration

• Filters particulates ≥ 5 µm

• Protects:

  • Pump seals and check valves

  • Injection systems

  • HPLC columns and detectors

• PTFE media delivers:

  • High flow capacity

  • Low restriction

  • Chemical inertness and durability

✅ Ideal for high‑flow systems or pre‑filtered solvent applications

All‑PTFE Construction – Maximum Chemical Compatibility

• Fully PTFE wetted surfaces

• No mixed‑material flow path

• Resistant to aggressive solvents and buffers

✅ Suitable for LC‑MS, pharmaceutical, and biocompatible workflows

Visual Inspection Advantage – White Filter Element

• White PTFE surface enhances visibility of trapped particles

• Enables rapid contamination assessment

• Helps determine optimal replacement timing

✅ Supports proactive maintenance and consistent system performance

Tubing Compatibility – Flexible Integration

• Designed for 1/8" low‑pressure tubing systems

• Requires user‑configured tubing attachment

• Compatible with standard and custom setups

✅ Ideal for flexible or simplified tubing configurations

Economy Design – Cost‑Effective Performance

• Simplified design without integrated connectors

• Lower cost per unit versus advanced inlet filters

• Maintains:

  • High filtration efficiency

  • Maximum solvent recovery

  • Reliable system protection

✅ Ideal for budget‑conscious labs and high‑volume workflows

Performance Advantages – Efficient Filtration Solution

Compared to finer pore filters:

• Lower flow restriction

• Reduced clogging risk

• Stable solvent delivery in high‑flow conditions

• Extended service intervals

✅ Supports efficient and consistent chromatography performance

System Compatibility & Use

Designed for use with:

• HPLC / UHPLC mobile phase systems

• LC‑MS solvent delivery setups

• 1/8" low‑pressure tubing configurations

• Standard mobile phase reservoir bottles

✅ Installs directly into mobile phase bottles for inline filtration

Typical Applications

• HPLC mobile phase filtration (economy setups)

• LC‑MS solvent protection

• High‑volume solvent workflows

• Routine analytical and QC laboratories

• Long‑duration and unattended runs

• Integrated into original equipment manufacturer (OEM) product designs

Important Usage Notes

• Designed for low‑pressure systems only

• Requires compatible 1/8" tubing setup

• Ensure secure tubing connection during installation

• Inspect filter regularly and replace as needed