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Cytiva's Whatman™ 3-Piece Filter Funnel

Cytiva’s Whatman™
For quick and easy filtration, Cytiva's Whatman™ 3-Piece filter funnels are available with a choice of three plates. They also come in several sizes to match your needs.

  • 3-piece filter funnel
The increased use of high-efficiency glass microfiber filters in modern laboratories has created a demand for simple and effective filter-holding systems. Cytiva's Whatman™ 3-piece filter funnels have been designed to complement the range of Cytiva's Whatman™ fine particle retention, rapid flow rate glass microfiber filters.

  • Functional design
Three-piece construction. The funnel is quickly dismantled ready for the insertion of a new filter. The glass sealing flanges of the funnel and reservoir are ground flat to ensure a good filter seal.

  • Positive filter clamping
All retained solids are deposited within the filter circle. Edge clamping prevents peripheral loss and possible passage of solution around, rather than through, the filter circle.

  • Simple to clean
The parts can be quickly and efficiently cleaned because of the simplicity of the design.

  • A choice of three plates
Acrylic Plate: Supplied as standard. Suitable for filtration of most aqueous solutions. Maximum working temperature 65°C. Polypropylene Plate: Optional extra. Recommended for most acids (except concentrated nitric acid and fuming sulfuric acid) at room temperature. Suitable also for most alcohols, glycols, ethers, and ketones. Maximum working temperature 100°C. PTFE Plate: Optional extra. For virtually all common acids, alkalis, and solvents at temperatures up to 100°C. Maximum working temperature 200°C.

Funnel Material:
 
Borosilicate Glass
Grouped product items
Item ID Diameter Filtration Area Reservoir Volume Price Packaging
WHATMAN 1950-002
WHATMAN 1950-002
25mm 2cm² 16mL
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WHATMAN 1950-004
WHATMAN 1950-004
47mm 8cm² 36mL
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WHATMAN 1950-007
WHATMAN 1950-007
70mm 19.6cm² 115mL
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WHATMAN 1950-017
WHATMAN 1950-017
70mm 19.6cm² 210mL
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WHATMAN 1950-027
WHATMAN 1950-027
70cm 19.6cm² 400mL
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WHATMAN 1950-009
WHATMAN 1950-009
90mm 38.5cm² 200mL
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WHATMAN 1950-012
WHATMAN 1950-012
125mm 66.5cm² 530mL
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