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Feature: 1. [Glass Structure] The gas separating set is crafted with thickened glass and single sided frosted glass sheet, ensuring dependable connections for long lasting use in chemistry experiments Specification: Item Type: Gas Generating Funnel Set Material: Glass, Rubber Conical Bottle: 150ml Gas Collection Bottle: 125ml Application: Suitable for generating O2, H2, CO2 and other gases Package List: 1 x Long Neck Funnel Set |