High Borosilicate Glass Funnel for Vacuum Filtration, 33/60mm Head, Fits 250mL-5000mL Filtration Apparatus(Model 2 Diam. 40mm)

Glass Funnel For Solvent Filtration ApparatusMaterial: High borosilicate glassSpecifications: Outer diameter of filter head: 33 mm / 60 mm Diameter of sand core: 20 mm / 42 mm Inner diameter of connector: 29 mm / 40 mm / 50 mm Pore size of filter membrane: 30-50μm Suitable filter membrane diameter: 25-60 mm (50mm is commonly used)Compatibility: 33mm head: Fits 250mL, 500mL, 1000mL vacuum filtration devices 60mm head: Suitable for 2000mL and 5000mL vacuum filtration devicesCleaning Instructions:If the glass filter head is clogged, soak it in 35% dilute nitric acid for about 1 hour, then rinse with water. Do not use ultrasonic cleaning, as it may damage the glass plate.Note: This product only includes one piece of filtration head. Filter membrane, filter cup, receiving bottle and other accessories are not included.Model Number: Vacuum Filtration Apparatus FunnelOrigin: Mainland ChinaClassification: Laboratory Glassware

• 1. Made of high borosilicate glass, designed for laboratory vacuum filtration systems
• 2. Filter head outer diameters: 33mm or 60mm, compatible with various apparatus sizes
• 3. Connector inner diameters: 29mm/40mm/50mm to fit different filter flasks
• 4. Suitable for 250mL to 5000mL filtration setups (filter membrane not included)
• 5. Easy to clean: soak in dilute nitric acid, then rinse with water