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Whatman® Polycap HD heavy duty encapsulated filter

Polycap HD 75, pore size 20 μm

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Whatman filter, Whatman filters, Z743712


polypropylene housing
polypropylene membrane




pkg of 1 ea


Whatman 6703-7521
Whatman Article No. 28420125 (US reference)


75 mm

pore size

20 μm


inlet Stepped barb for 6 to 10 mm (1/4 to 3/8 in.) tubing
outlet Stepped barb for 6 to 10 mm (1/4 to 3/8 in.) tubing

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General description

Polycap HD (Heavy Duty) is a well-engineered product that offers high filtration efficiency and excellent filtrate purity due to its materials and methods of manufacture. Polycap HD provides an advantage in process applications as its performance characteristics fit between gross filters and microporous membrane filters used for final filtration.

Features and Benefits
  • 100% polypropylene filter media, support system and housing allows usage with broad range of solutions, pH, and temperature
  • High flow and high retention capacity
  • Able to be sterilized by autoclaving with steam at 121°C for 20 minutes
  • Manual vent with luer lock to bleed air from upstream or serve as an injection or sample port
  • Available in 0.2, 0.45, 1.0, 5.0 or 10 μm pore sizes and a variety of end-fitting configurations

Applications: Buffers, Clean air and gas equipment, Cosmetics and personal care products, Food and beverage, General fine filtration, Inks and pigments, Pharmaceutical solutions, Photographic emulsions and make-up water, Prefiltration for RO/UF/MF membranes, Reagents, Sample preparations, Semiconductor and magnetic media, Solvents.

Other Notes

Field of Use : For internal research use only. Products are not intended for diagnostic use or resale.

Legal Information

Whatman is a registered trademark of Cytiva

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