We have dow filmtec RO and Nano membranes .this are Coming from USA and KSA. BW30-400 USA made BW30-400 KSA made BW30-400 wet KSA made BW30-4040 USA made BW30-365 USA made BW30-365 wet KSA made BW30XFR-40034i USA made BW30-40034i USA made SW30HRLE-400 USA made We can supply any omore...