United Scientific* Microanalysis Vacuum Filter Holder Set, 25 mm with Stainless Steel Filter Support - Each

Designed for particulate or biological contamination analysis of small volumes using a vacuum filter. Includes a stainless steel filter support and No. 5 perforated silicone stopper for easy attachment to a vacuum filtering flask (not included, available separately). Membrane filters are not included. Thick prefilters or laminated filters will not seal in this holder, and it is not autoclavable with membrane filters installed. Unlaminated PTFE and PVDF membranes are recommended for solvent applications. Complete set includes a borosilicate glass funnel and base, removable stainless steel filter support, anodized aluminum spring clamp, and silicone stopper.

Specifications:
• Materials:
- Bororsilicate glass funnel and base
- Removable stainless steel screen filter support
- Anodized aluminum spring clamp
- Silicone stopper
• Filter diameter: 25 mm
• Filtration area: 2.5 cm²
• Funnel capacity: 15 mL
• Outlet fitting: No. 5 perforated silicone stopper mounts in standard 125 mL filtering flask
• Dimensions:
- Height: 15.2 cm
- Diameter: 2.5 cm

Replacement Parts:
1.) Glass Funnel, 15 mL (Cat. No. 891-10061)
2.) Spring Clamp, 25 mm (Cat. No. 891-10085)
4.) Base and Stainless Steel Screen, 25 mm (Cat. No. 891-10022)
5.) Silicone Stopper, No. 5 (Cat. No. 891-10109)
6.) PTFE Gasket (Cat. No. 891-10073)
7.) Support Screen, Stainless Steel, 25 mm (Cat. No. 891-10100)

Optional Accessory:
• Vacuum Filtering Flask, 125 mL capacity (Cat. No. 891-10037)
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