1). Air filter ah1183 : replacement for ecolite air element in disposable housing 2). Physical dimensions : End connection height : 40.64 mm (1.6 in) End connection od : 177.8 mm (7 in) Largest housing od : 342.9 mm (13.5 in) Overall height : 500.89 mm (19.72 in) 3). Replaces: farr c71338-004 ; baldwin pa2875 4). Fits: farr optional filter housings 5). Product comments : disposable housing unit. Packaging as customer's requirements.