RM4TR31,
RM4U1908SBK,CHASSIS 8X16.6X7" SOLID BLACK
RM4U1908VBK,CHASSIS 8X16.6X7" VENTED BLACK
RM4U1913SBK,CHASSIS 13X16.6X7" SOLID BLACK
RM4U1913VBK,CHASSIS 13X16.6X7" VENTED BLACK
RM4U1918SBK,CHASSIS 18X16.6X7" SOLID BLACK
RM4U1918VBK,CHASSIS 18X16.6X7" VENTED BLACK
RM4U1922SBK,CHASSIS 22X16.6X7" SOLID BLACK
