Description: ULP1812-75G circle composite membrane. For a variety of household water, hospital, laboratory pure water device and other small systems. Features: ULP series membrane elements applied to salt content of about 2000ppm below surface water, groundwater, tap water and other water desalination treatment. 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). Membrane is a composite material. 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. .