WHAT SIZE 14.3 DUAL CHAMBER ORIFICE FITTINGS DOES RJ CARRY? We carry 2″ to 4″ 14.3 dual chamber orifice fittings. By frontierMedia|2018-12-05T09:25:37-06:00November 19th, 2018|14.3 DUAL CHAMBER ORIFICE FITTINGS|0 Comments Share This Story, Choose Your Platform! FacebookTwitterLinkedInPinterest