Closed End x 1" Swedged End Manifolds 1" diameter manifold trunks are closed at one end and swedged to accept 1" copper at the other. Available with 3/8" brass CrimpRing™ fittings‚ with or without 1/4-turn brass mini ball valves (MBV)‚ in sizes from M3 to M12. Branches are 2"" O.C. Manifolds are sold individually. Order one for hot and one for cold.