The Allied Gomco 01-90-3106 is a high-grade lubricating oil specifically formulated for use with Gomco rotary pump aspirators and electric motors. This replacement OEM oil is essential for maintaining the smooth operation of the pump's internal rotor and sliders, reducing friction and preventing premature wear. Each 4 oz. bottle features a convenient Yorker spout for precise dispensing into the oil reservoir or onto the oil wicks. Regular lubrication with this SAE 20 / ISO 68 certified oil ensures consistent vacuum performance and extends the service life of heavy-duty surgical suction units.