These filters are unused and have never been exposed to samples, chemicals,

or biological materials. They are being offered as surplus inventory and are suitable for

R&D, laboratory development, educational, process-development, and other non-

critical applications, subject to the buyer's own evaluation.

Not recommended for critical, regulated, clinical, diagnostic, or validated applications unless independently evaluated and approved by the end user.

Filters are sold as-is with respect to age/shelf life.

Technical Specifications

Retention Efficiency	0.2 µm —LRV > 7 for Brevundimonas diminuta 0.45 µm —LRV > 7 for Serratia marcescens
Wettability	Hydrophilic
Effective filtration area	0.1cm² for 4mm, 0.8 cm² for 13mm & 3.9 cm² for 25mm
Hold up volume	<10 µl for 4 mm, < 20 µl for 13 mm & < 100 µl for 25 mm (after air purge)
Extractable (NVR)	Very low (with in limit as specified in USP XXIV)
Initial Water flow rate (ml/min at 10 psi for 25 mm)	41.3 ml/min for 0.2 µm & 94.3 ml/min for 0.45 µm
Filtration Volume	< 1ml for 4mm, 1-10ml for 13mm & 10-100ml for 25mm

 

Applications

• For Analytical and Research applications.

• For aqueous as well as organic solvent filtration

• Filtration of difficult filter solutions.