WATERRO INDUSTRIAL RO MEMBRANE MODEL: BW-4021-5000 WATERRO BW-4021-5000 is a Brackish Water (BW) industrial reverse osmosis membrane for commercial and industrial water treatment systems. The TFC polyamide membrane ensures stable treated water production and effective salt removal. The membrane is designed for standard 4021 membrane housings and is suitable for water with TDS up to 5000 ppm. Technical specifications Parameter Value Product Industrial reverse osmosis membrane Model BW-4021-5000 Membrane type Brackish Water (BW) Membrane size 4021 Compatible housing 4021 Test pressure 15 Bar Average production 900 GPD Salt rejection 92,9% Recommended feed water TDS Up to 5000 ppm Application Commercial and industrial RO systems Brand WATERRO Key advantages BW membrane for brackish water 900 GPD average production 92,9% salt rejection Designed for water with TDS up to 5000 ppm TFC polyamide membrane Compatible with 4021 membrane housings Suitable for commercial and industrial RO systems Long service life