65mm diameter fluted funnel with a 60° angle and a long stem. Material: Made from durable, heat-resistant, and chemical-resistant borosilicate glass. Design: Features a 60° angle for precise filter paper fitting, a beaded edge for increased strength, and internal flutings to reduce filtration time. Usage: Commonly used in biological, medical, and chemical laboratories for pouring or filtering liquids into flasks and test tubes. Specifications: It has a 65mm top inner diameter.