MADE BY ME 5″ to 4″ reducer dust collection fitting

Connect most 4″ dust collection hose to machines with 5″ O.D. ports*Tapered port on one side fits inside most 4″ dust collection hose*Straight port actual 4-7/8″ O.D. to fit most 5″ machine ports*Flanged middle section for ease of assembly*Constructed of tough abrasion resistant plastic resins