Catalog Number - 58835-01-005

58835-01-005 ARE‑Applied Research Mobile Phase Inlet Filters are high‑efficiency solvent filtration devices designed for HPLC, UHPLC, and LC‑MS mobile phase delivery systems, offering superior system protection and maximum solvent usage.

These filters use an advanced “Last Drop” flat‑profile design that allows users to draw nearly all available solvent from the reservoir bottle, minimizing waste and helping maintain uninterrupted operation during long analytical runs.

Each unit is constructed with a 2 µm stainless steel filter element and an inert PEEK / PTFE wetted flow path, ensuring excellent chemical compatibility, low extractables, and consistent performance in demanding analytical environments.

✅ Explore additional pack sizes and purchasing options to support lab standardization and efficiency

“Last Drop” Design – Maximum Solvent Utilization

• Wide 22 mm flat filter geometry

• Positions at the lowest point in the bottle

• Draws solvent to near‑empty conditions

• Reduces waste and prevents premature run interruption

✅ Ideal for overnight runs, long sequences, and high‑value solvents

✅ Helps improve lab productivity and solvent cost efficiency

2 µm Stainless Steel Element – Critical System Protection

• Removes particles ≥ 2 µm

• Protects critical components:

  • Pump seals and check valves

  • Injection systems

  • HPLC columns and detectors

• High surface area design provides:

  • High flow capacity

  • Low restriction / minimal pressure drop

  • Extended service life

✅ Essential for maintaining instrument performance and longevity

PEEK / PTFE Flow Path – High Purity Solvent Contact

• All wetted materials made from:

  • PEEK (polyether ether ketone)

  • PTFE (Teflon®‑equivalent inert polymer)

• Ensures:

  • Chemical inertness

  • Low leachables and extractables

  • Compatibility with aqueous and organic solvents

✅ Ideal for LC‑MS and high‑purity analytical workflows

Tripod Connector – Tool‑Free Tubing Integration

• All‑PEEK tripod tubing connector

• Accepts:

  • 1/16" OD tubing

  • 1/8" OD tubing

• Internal ID ~0.8 mm

• No ferrules or nuts required

• Simple push‑fit connection

✅ Enables fast installation and reliable low‑pressure connections

Performance Advantages – Modern HPLC Best Practices

Compared to traditional inlet filters:

• Maximizes usable solvent volume

• Reduces risk of air entering pump systems

• Improves flow consistency near empty reservoirs

• Supports continuous, unattended operation

Modern chromatography system design emphasizes:

• Effective inlet filtration for system protection

• High surface area for longer service intervals

• Low restriction to maintain flow stability

✅ These filters align with current best practices in HPLC system protection

System Compatibility & Use

Designed for use with:

• HPLC / UHPLC mobile phase systems

• LC‑MS solvent delivery setups

• Low‑pressure tubing configurations

• Standard mobile phase reservoir bottles

✅ Installs directly into mobile phase bottles for inline filtration

Typical Applications

• HPLC mobile phase filtration

• LC‑MS solvent protection

• High‑throughput analytical laboratories

• Pharmaceutical and QA/QC workflows

• Extended run and overnight sequences

• Integrated into original equipment manufacturer (OEM) product designs

Important Usage Notes

• Designed for low‑pressure systems only

• Ensure proper tubing fit for leak‑free performance

• Inspect periodically for clogging or buildup

• Replace when flow restriction increases