Economical, autoclavable funnels for vacuum filtration

• Transparent funnels with graduations permit easy visual measurement.
• Less expensive than stainless steel and more durable than glass.
• Tapered stem fits standard-size stoppers.
• Available in 50 and 200 mL capacities.
• Changing filters is easy. Twist-lock coupling minimizes filter tearing.

• Ideal for liquid clarification, vacuum filtration, and scintillation counting studies.

Material of Construction
Polysulfone

Effective Filtration Area
2.9 cm²

Dimensions
Overall Length:
50 mL: 15.8 cm (6.2 in.)
200 mL: 20.1 cm (7.9 in.)
Diameter: 7.1 cm (2.8 in.)

Filter Size
Accepts 25 mm filter

Funnel Capacity
50 and 200 mL

Connections
Tapered funnel stem inserts into standard size stoppers

Maximum Operating Temperature
Limited by membrane or 121 °C (250 °F)

Sterilization
Provided non-sterile; autoclavable if desired at 121 - 123 °C (250 - 253 °F) at 1.0 bar (100 kPa, 15 psi) for 15 - 20 min

Part Number	Description	Pkg	Price	Qty
25 mm Polysulfone Filter Funnels
4204	50 mL capacity	1/pkg	123.66
4203	200 mL capacity	1/pkg	140.45
Accessories and Replacement Parts
79791	Support screen, type 316 stainless steel	1/pkg	35.34
87265	Support screen, polysulfone	1/pkg	7.14

Contact Customer Service at 800-521-1520 for possible lead-time and date item will be available to ship.