The Allied Gomco 01-90-2674 is a high-quality rubber cap designed specifically for use with 600 mL glass collection bottles. This essential component provides a secure, airtight seal to maintain consistent vacuum pressure during suction procedures. It features two ports—one for the patient tubing and one for the vacuum source—ensuring an efficient flow path. The durable rubber material is engineered to withstand frequent use and standard clinical cleaning protocols, making it a reliable choice for maintaining portable and tabletop aspirators.