The Zurn Z1188 large capacity oil interceptors feature: an acid resistant coat on the exterior and interior, steel construction, bronze cleanout plug and visible double wall trap seal, removable combination pressure equalizing/flow diffusing baffle and sediment bucket, horizontal baffle, adjustable oil draw-off and vent connections either side. Secured gasketed non-skid cover complete with flow control fitting. Regularly furnished with threaded inlet and outlet in high position.