PVC UNION 20,25,32,40,50,63,75,90,110,160MM GREY COLOR PN10 DIN, ASTM STANDARD EASY OPERATION HIGH QUALITY MATERIAL PVC UNION20,25,32,40,50,63,75,90,110,160MMGREY COLOR PN10HIGH QUALITY MATERIALNO LEAKINGCONNECT TO PIPEEASY OPERATION1 PIECE IN 1 BOX, CARTON OUTERSMALL ORDER ACCEPTABLE pvc union