Specification - MHY-90 - Anti-Contamination Wall Faucet MIFAB Series MHY-90 exposed type, mild climate, anti-contamination wall faucet with 3/4" (19) male hose connection and anti-siphon vacuum breaker. Exterior finish to be (specify brass, chrome plated, or polished chrome plated), operating handle to be (specify brown plastic, clear plastic, cast iron wheel handle or operating key), and inlet connection to be (specify 1/2" (13) or 3/4" (19) F.P.T.). Vacuum breaker to be certified to the A.S.S.E. Standard 1011 and listed by I.A.P.M.O.