PPR,Flat elbow PPR,Features:1) High resistance to corrosion, not ... toimpact force, acid and so on 3) Trunking and fittings are stainless, so will not be corrosive, high resistanceto ... and no disrepair4) Have complete specification of trunkings and fittings. Can coordinate kinds ofdesign and operation requirement5) Can also ... is the specifications:Following is the specifications of flat elbow:border=0>