VALVULA BOLA PVC DOBLE UNION HI 1/2" 3/4" 1" 1.1/4" 1.1/2" 2" 3" 4" VALVULA BOLA UL ITALIANA ENOLGAS 1/2" 3/4" 1" 1.1/4" 1.1/2" 2" VALVULA BOLA ITALIANA BOSSINI BSP 1/2" 3/4" 1" 1.1/4" 1.1/2" 2"