The KOHLER Duo-Strainer 3-1/2 in. Basket Strainer for K-8804 Duo-Strainer Body is a removable basket that features an open/close stopper. This strainer is designed for 3-1/2 in. to 4 in. sink outlets. The durable construction adds strength and reliability, while the Vibrant Polished Brass finish adds style and coordinates well with many kitchen decors.