Closed End x 3/4" CrimpRing™ End Manifolds 1" diameter manifold trunks are closed at one end and have a 3/4" brass CrimpRing™ fitting at the supply end. Available with 1/2" 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.