The A640 series hose boxes are designed for use in commercial applications. This box is fully recessed and constructed of heavy gauge, type 304, stainless steel. The interior of this box is bead blasted to provide a clean interior. The mounting flange and optional door are polished to a satin finish. This box utilizes a cast bronze valve with integral stops. The valve inlet is 3/4’’ FIPT. The valve outlet is a 3/4’’ male hose thread with vacuum breaker. This construction provides a very durable unit.