Reddit mentions of Nalgene 2401-0250 Economy Wash Bottle, LDPE, 250mL (Pack of 6)

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Wash bottle used to wash labware and to store washing solutions, such as acetone or deionized waterLDPE body for flexibility, elasticity, and impact, stress-cracking, and moisture resistance, and is lightweightBoston round shape for applications that require a rounded body, short neck, and narrow mouth to store liquid samples and solutions, and dry materialsPolypropylene screw closure with its angled stem and draw tube molded in one piece for leak-proof applicationsSpout can be cut back to increase the flow of washing solution