DURAN Sterile Venting Membrane screw cap PP blue for DURAN laboratory glass bottles ePTFE Pore size

DURAN Sterile Venting Membrane screw cap PP blue for DURAN laboratory glass bottles ePTFE Pore size

With welded-in expanded PTFE filter membrane, for pressure equalisation during autoclaving, or high gas exchange rates in cell culture

Manufactured from PP, ePTFE

Pressure equalisation during steam sterilisation

The microporous structure of the ePTFE membrane enables sterile gas exchange in two directions, while blocking the penetration of liquids or solids and the bottle contents remain sterile

Increased gas exchange rate due to thin 0.2µm ePTFE membrane, combined with larger ventilation openings. Higher gas exchange rates for cell culture applications in bottles and shaker flasks

The PTFE membrane and its polypropylene mesh support are ultrasonically welded in place forming a durable seal

Cost effective as the caps can be reused several times (replacement is recommended after 3 to 5 autoclave cycles due to durability, or if the membrane becomes damaged or contaminated)

Polytetrafluoroethylene (ePTFE) membrane (conforms to USP 121°C Class VI) with polypropylene mesh

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Code Description Manufacturer Price Quantity
1771298 DURAN Sterile Venting Membrane screw cap GL 25 PP blue for DURAN laboratory glass bottles ePTFE Pore DURAN
£38.97 (exc VAT) per PK5
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1771299 DURAN Sterile Venting Membrane screw cap GL 32 PP blue for DURAN laboratory glass bottles ePTFE Pore DURAN
£38.97 (exc VAT) per PK5
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1771300 DURAN Sterile Venting Membrane screw cap GL 45 PP blue for DURAN laboratory glass bottles ePTFE Pore DURAN
£35.43 (exc VAT) per PK5
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