BW30HR-440i FilmTec DOW / DuPont 12,650 GPD at 225 PSI 8 x 40 inch Membranes

BW30HR-440i FilmTec DOW / DuPont 12,650 GPD at 225 PSI 8 x 40 inch Membranes

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DuPont FilmTec BW30HR-440i Brackish Water RO Membrane

The DuPont FilmTec BW30HR-440i is a high-productivity Brackish Water Reverse Osmosis Element designed to deliver maximum permeate quality for industrial and municipal water treatment systems. As a "High Rejection" (HR) model, it is engineered to remove critical solutes such as silica, boron, ammonium, and nitrate with superior efficiency compared to standard brackish water elements. Its large 440 ft² active surface area allows for increased water production without requiring additional pressure vessels, effectively reducing capital expenses for new plant designs.

The "i" suffix signifies the inclusion of iLEC™ (Interlocking End Caps) technology. This advanced coupling design replaces standard sliding connectors with a direct mechanical seal, eliminating the risk of o-ring leaks that can compromise permeate quality. Optimized for controlled pre-treatment waters, the BW30HR-440i features a 28-mil feed spacer that balances high flow with effective cleanability. It is the ideal choice for producing high-purity water for boiler feed, industrial demineralization, and water reuse applications where consistent downstream quality is paramount.