... no special tools5)The body of the fittings,abtained by hot brass stamping,avoids the porosity that could result ... is spent running pipe and installing fittings than with rigid pipe systems.Installing fewer fittings reduces the chances for expensive callbacks ... size: Include:Male Coupler, Female Coupler, Double coupler, Tee, Female Tee, Male Tee, Elbow, Female Elbow, Male Elbow, Wall plated elbow, ...