4-1 Merge Collector Material: 304 Stainless Steel Sizes: 4 x 1.5" ID - 3" OD, 10" OAL  4 x 1.625" ID - 3" OD, 11" OAL 4 x 1.75" ID - 3" OD, 11.5" OAL 4 x 1.875" ID - 3.5" OD, 10.75" OAL 4 x 2" ID - 3.5" OD, 11.5" OAL 4 x 2.125" ID - 4" OD,...

2-1 Merge Collector Material: 304 Stainless Steel Sizes: 2 x ID 1.5" – OD 1.5”, 5.25" Long 2 x ID 1.625" – OD 1.625", 5.75" Long 2 x ID 1.75" – OD 1.75”, 6.0" Long 2 x ID 1.875" – OD 1.875”, 6.65" Long 2 x...