Stack Adapter, 5.5 In ID, 6.5 In OD, Rubber, Hi-Tech Duravent, Mfr#: 0651-0000-0006

Stack Adapter, Compatible Hose Grainger Part Number 3AYK3, 3AYL3, Connection Inside Diameter 5 1/2 in, Connector Type Stack Adapter, Material Rubber, Overall Length 12 in, Connection Outside Diameter 6 1/2 in, Connection Type Screw On, Overall Width 6.5 in