Description:  -Provide pure water to drink every day.  -Protect your home, health and appliances by filtering water.  -Five specifications to choose from: 50G/75G/200G/300G/400G/600G.  -Suitable for perfect use in reverse osmosis systems.  -Removes up to 99.99% of heavy metals, total dissolved solids (TDS), bacteria, arsenic, chlorine, cadmium, pyrogens, Giardia, cyanide, etc.  -High standard and best filtration.     Specification:  Color: Orange / Blue.  Type; Size:  A: 1810-50; 45 * 250mm.  B: 1810-75; 45 * 250mm.  C: 2012 (1: 1); 48 * 298mm.  D: 2812-200; 68 * 298mm.  E: 3012-300; 75 * 297mm.  F: 3013-600; 68 * 333mm.     Description:  *E.g: The yield is 75 grams and 1 gram is 3.785 liters.  75 grams is the 24-hour water production.  75x3.785 is the total amount of water produced in a day.     Package Included:  1 reverse osmosis water system filter