Reverse osmosis membrane by Mann & Hummel. Compatible with all membrane housings of the corresponding standard sizes. Available models: Oltremare SEA2 – 2521; Oltremare SEA2 – 2540 These seawater reverse osmosis elements offer high performance combined with excellent salt rejection. Stabilized salt rejection: 99.4% Membrane type: Polyamide Maximum operating pressure: 82 bar (1200 psi) Maximum operating temperature: 45°C (113°F) Made in Italy