Whatman™ Polycap™ Aqueous Solution Filter Capsule, 75 mm dia, 0.45 µm Pore Size

GE's Whatman Polycap AS (aqueous solution) combines a nylon membrane filter and glass microfiber (GMF) prefilter for a long lifetime device that can filter large volumes of even difficult, particulate-laden samples. Polycap AS are Whatman capsule filters specifically designed for high-volume filtration of aqueous sample solutions in a compact size. With a nylon membrane filter and GMF prefilter, these filters have a long usable life.

• First layer (GMF) acts as a prefilter to ensure longer membrane (0.2, 0.45 and 1 µm) life and higher filtration efficiency
• Nylon membrane filter layer is inherently hydrophilic, has low extractable, is biosafe, and has excellent flow rates
• Polypropylene housing is thermally fused (no glues, adhesives, or extraneous materials), reducing extractable levels
• Can be tested with bubble point, pressure decay or forward flow methods
• Available in presterilized and nonsterile (autoclavable) versions
• Manufactured according to ISO9001:2008 QMS standards
• On inlet vent
• Glass microfiber double laminated with polyolefin monofilament non-woven
• LAL tested, =0.5 EU/ml endotoxin level
• Certain filter devices have been sterilized, capsules may be autoclaved at 121°C for 20 minutes, however, an integrity test should be performed after autoclaving, filling bell is not autoclavable but is detachable
• Heat-fused sealing