Dispenses one drop at a time. Convenient one-hand operationjust squeeze bottle to dispense. Made of Teflon FEP and ETFE dropping closure and cap. Transparent bottle can be used with virtually any chemical. Contamination-free dispensing. Repeatedly autoclavable with tip uncapped. Capacity: 30mL (1oz.). (Nalge* Nunc 2414-0030) | 
