#ULP31-4021 #ULP314021 #Vontron #본트론 #4인치RO멤브레인 #4021RO멤브레인 #99_7x533_4mm #염제거율99_4 #850GPD #36ft2 #600psi #최대온도45도 #유량3_6m3h #음용수 #식품가공용수 #제약용수 #ULP31-4021 #ULP314021 #Vontron #4inchROMembrane #4021ROMembrane #99_7x533_4mm #SaltRejection99_4 #850GPD #36ft2 #600psi #MaxTemp45C #Flow3_6m3h #DrinkingWater #FoodProcessingWater #PharmaWater