Twin Connector / 4DC4 Aquawin Water Products > Quick Connector & Jaco Connectors > EZ Fittings > Twin Connector / 4DC4 Twin Connector / 4DC4 C-941 INQUIRE NOW Product Description Tube O.D: 1/4” Tube O.D: 1/4” Back Products RO System Units Water Dispensers(Floor Standing / Tabletop / Boiler) Water Softener 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 Water Filter System Storage Tanks Filter Housing & Refillable Housing Cartridge Filters / RO Membrane / Hollow Fiber Faucets / Faucet Ring Quick Connector & Jaco Connectors Water Treatment Media Water Tester / Electrolyzer / IC Controller /Pressure Gauge / Flow Meter RO Accessories / Parts / Bracket