Part # 15326915 Metri-Pack GT 280 Series Male Housing 22-10 Gauge Black 12-Way Male Metri-Pack Housings, GT 280 Series, Sealed #15326915 Metri-Pack terminals are different from Weather-Pack terminals in that the male terminals have flat pins, similar to a quick disconnect, rather than Weather-Pack's round pins. Unsealed housings use unsealed terminals and sealed housings use sealed terminals.