Hot Tub Compatible With Coleman Spas Manifold 1.5" S/Sg 10 3/8" Barb 100546Upgrade your hot tub experience with this compatible manifold for Coleman spas. With a 1. 5" S Sg 10 3 8" Barb 100546 design, it offers improved water flow and distribution for optimal relaxation. Made with high quality materials, this manifold ensures durability and efficiency for years to come. Compatible with Coleman Spa 1. 5 Inch Slip Spig Manifold, 10 3 8 Inch Barb Ports 100546 Waterway 1 1 2 Inch Slip X 1 1 2 Inch Spig Manifold With (10) 3 8