Hot Tub Spa Air Manifold Part 1" Slip X 1" Spigot X (8) 3/8" Barbs Video How To Spa Hot Tub Air Manifold 1" Slip X 1" Spigot X 1" Spigot Tee Glue fittings (8) 3/8" Barbs We Offer Kits in Our Store with this Manifold You Can Use more than one of these for multiple ports