Ball jet diffuser ,jet diffuser made of aluminium Adjustable air flow direction Standard white Suit for airport or stadium Ball jet diffuser ,jet diffuser made of aluminium 1/.Material: Aluminium 2/.Neck size:100mm,125mm,160mm,200mm,250mm,315mm,400mm 3/.Whit power -coating finish 4/.Multi-way deflection (Round) 5/.Standard package as request 6/.Low price wit good quality 7/.Beautiful appreance 8 ...