RS3704: Outside Diameter (4-1/8") / Inside Diameter (2-5/16") / Length (10-13/16") RS3705: Outside Diameter (2-13/32") / Inside Diameter (1-3/4") / Length (10-13/32") RS3704 Also Replaces: AF25551, P821575, 46663 and LAF8195 RS3705 Also Replaces: AF25552, P822858, CA9550SY Set of 2 Filters Baldwin engine air intake filter elements protect heavy-duty equipment by preventing airborne dirt and other contaminants from entering the combustion chamber. Radial seal filters utilize a urethane compound to form the molded ends and bond the media pack, which includes the inner and outer metal wrappers, forming a strong, yet flexible package. The heavy-duty radial seal gasket formed from this urethane compound is designed to make servicing easier and more cost effective.