Inner diameter: 1", 1 1/2", 1 3/4", 2", 2 1/2", 2 3/4", 3", 4" Working pressure: 10,13,15,17,20 Delivery time : 15-25 days Synthetic rubber provides a rugged cover for this lightweight single jacket hose designed for use in industrial environments. The hose offers excellent abrasion resistance and the homogeneous heavy-duty one-piece cover and liner construction resists heat and most chemicals.