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The HF5 4-by-40-in. ultralow-pressure
commercial membrane elements are
rated for 4,000 gpd at 150 psi, 3,000 gpd at 100 psi and 2,500 gpd at 80 psi. HF5-4040 membrane elements are manufactured with Film Technology membrane flat sheet and are spiral wound to fit all standard size commercial membrane housings. This new tape-wrapped element offers energy savings and counters the negative effects of cold feedwater temperatures. These membranes are integrity tested and shipped “dry” for longer shelf life.