Specifications: Condition: New Model: ULP1812-75 The membrane at 25 ℃ temperature , the water pressure was under 5.5 kg condition, 1 day (24 hours) produced 75 gallons water (US 1 gallon = 3.785 liters). Circle Formula: Round-wound Material: Membrane is a composite material Main Color: Blue Size: Approx. 28.4 * 3.9cm / 11.18 * 1.54in Weight: Approx. 207g Package Includes: 1 x Reverse Osmosis Parts Water Filter Membrane Note: 1. Please allow 1-2cm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.