Features for Stainless Steel manifolds 1) Main manifold:1" 2) Ball valve with thermometer:1" 3) Brackets 4) Manual valve 5) Air vent valve:1/2" 6) Tee fitting:1/2"*1/2"*1" 7) Drainage valve:1/2" 8) We canoffer from 2-12loops 9) Surface treatment: according to customers' requirement.