Haz Loc Flex Coupling Trade Size 3/4 in Flex Length 24 in Overall Length 30 1/4 in Bronze Hazardous Location Rating Class I Division 1 and 2 Groups A B C D Class II Division 1 and 2 Groups E F G Class III Ends - Hazardous Fittings 3/4 in FNPT x 3/4 in MNPT Thread Gender Female to Male Application For Use In Hazardous Areas Where Movement or Vibration Requires a Flexible Connection Or a Difficult Bend Is Required In a Conduit System Bronze Compatible Conduit Trade Size 3/4 in