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Fisherbrand™ Disposable PES Bottle Top Filters

Increase sample protection with Fisherbrand Sterile Disposable Bottle Top Filters with PES Membranes. The polyethersulfone (PES) membranes have low extractables and low protein binding for use in sterile filtration and clarification of cell culture media and serum.

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Catalog No. FB12566510

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CAUTION: Use only sterile bottles designed for use with vacuum. Always use safety shield during vacuum procedures.



  • PES membrane is low protein binding to maintain protein balance
  • PES membrane has low extractables to maintain media purity
  • Marked with catalog number, membrane type, pore size, lot number and expiration date for easy traceability
  • Non-pyrogenic and non-cytotoxic
  • Gamma radiation-sterilized and individually bagged for a 5-year sterile shelf life
  • Bottom screw threads for attachment to bottles with 45 mm neck sizes
  • 0.2μm units for sterile filtration
  • 0.45μm units for fluid clarification and particle removal


Non-pyrogenic per USP Standard Lot-to-Lotnon-cytotoxic Lot-to-Lot sterility



Non-pyrogenic per USP Standard Lot-to-Lot
Bottle Top Unit
75 mm
0.20 μm
Sterile Filtration of media and serum
500 mL
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