Qosina Catalog 2023

FILTERS

Hydrophobic

Flow Direction

Filters

28247 Female Luer Lock Inlet Male Luer Slip Outlet 0.2 Micron; 15 mm PP, PTFE

28219 Female Luer Slip Inlet Male Luer Slip Outlet 0.2 Micron; 17 mm Acrylic, PTFE

28213 Female Luer Lock Inlet Male Luer Lock Outlet 0.2 Micron; 17 mm Acrylic, PTFE

Hydrophilic membrane filtration is used in several industries to filter various liquids. Hydrophilic filters can be wetted with fluid and are preferred for aqueous solutions. Once wetted, they do not allow the free passage of gases until the applied pressure exceeds the bubble point and the liquid is expelled from the membrane pores.

Hydrophobic membrane filtration will readily let gas pass through and repel water. Hydrophobic filters will not wet in water but will wet in low surface tension liquids. They are best suited for gas filtration, low surface tension solvents and venting. In some applications, hydrophobic filters are used to filter aqueous solutions because of compatibility requirements. Water or aqueous solutions can also pass through a hydrophobic filter once the water breakthrough pressure is reached.

TABLE OF CONTENTS

28246 Female Luer Lock Inlet Male Luer Slip Outlet 0.2 Micron; 25 mm PP, PTFE

28203 Female Luer Lock Inlet Male Luer Slip Outlet 0.2 Micron; 25 mm PVC, PTFE

Hydrophobic. . . . . . . . . . . . . .269-270

Gas. . . . . . . . . . . . . . . . . . . 270

Hydrophobic Transducer Protectors �� 271

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Hydrophilic. . . . . . . . . . . . . . . 272-273