At your local hardware store, pick up the items in the materials list below along with a medium-grit abrasive pad and a pipe cutter. An inexpensive pipe cutter will slice pieces to the right size, but be sure it can cut through pipe more than 1 inch in diameter. The pipe (mounting post), air chamber (oil reservoir), reducers (base/cap) and bushing (wick holder) are shown here. 5 ft. of ½-in. pipe (mounting post)2 1-in. to ½-in. reducers (base/cap)½ in. × 14 in.