4 pieces of 4-inch pipes 3 pieces of 2-inch pipes 2 pieces of 3/4-inch pipes 6 pieces of 4-inch elbows 3 pieces of 4-inch triangles 4 pieces of 4-inch plugs 1 piece of 4-inch connection 10 pieces of 6-inch elbows 25 pieces of 2-inch elbows 3 pieces of 2-inch triangles 2 pieces of 2-inch plugs 4 pieces of 2-inch connections 13 pieces of 3/4-inch elbows 8 pieces of 3/4-inch threaded elbows 2 pieces of 3/4-inch connections 2 pieces of air conditioner iron mesh 1 iron bending machine for contracting