420 Flow Restrictor / FR-5042Q-EZ Aquawin Water Products > RO Accessories > Flow Restrictors > EZ Flow Restrictors > 420 Flow Restrictor / FR-5042Q-EZ 420 Flow Restrictor / FR-5042Q-EZ C-222-7 INQUIRE NOW Product Description 420ML , 1/4 OD Back Products RO System Units Water Dispensers Whole House Water Filter Whole House UF Water Filter Filtration Systems FRP tank, Brine tank & Control valve Ozonizers UVC Lighting Shower Filter Taiwan Made EVERGREEN Cartridge Everpure Bracket Water Purifier Storage Tanks Filter Housings Cartridge Filters Faucets EZ & Jaco Fittings Water Treatment Media Water Tester RO Accessories