... (three patrs)Certificates: CE, EN442, GOST-R, ISO9001:2000Model: BT.A-FLengthThickness Central DistanceHeight Vent Diameter Water CapacityWorking PressureRadiating(W/pc ... OEM service.Extrusion radiator photo: GRANT extrusion aluminum radiator BT.A-F with ISO9001:2000,CE,GOST,3C