CONNECTION EX Sorocaba Júlio de Mesquita Filho SEALING UNIT SEALING UNIT SEALING UNIT SEALING UNIT SEALING UNIT SEALING UNIT STOPPER WITH RECESS STOPPER WITH RECESS Use in closing connections. STOPPER WITH RECESS STOPPER WITH RECESS Use in closing connections. STOPPER WITH RECESS STOPPER WITH RECESS Use in closing connections.