Package Included: 1 x RO Water System Filter Description: -Provide pure water on your drinking everyday. -Protect your home, health, and appliances via means of filtering your water. -Five specifications for selection:50GPD,75GPD,100GPD,125GPD,400GPD. -Working Temperature: 5-50℃ -Working Pressure: zero Mpa -Suitable to be used in RO methods perfectly. -Remove as much as 99% of Heavy Metals,Total Dissolved Solids (TDS),Bacteria,Arsenic,Chlorine,Cadmium,Pyrogens,Giardia,Viruses,Cyanide,etc. -High regular and the best filtration. Specification: Color:Blue Type:3013-400G/3012-400G/1812-50G/1812-75G/2012-100G/2012-125G Size:3013-400G:33cm×6/3012-400G:29×6/1812-50G:30cm×4/1812-75G:30cm×4/2012-100G:29×5/2012-125G:30cm×5cm Model Description: *For example: Model:1812-75 - g 18 is 1 inches in diameter, 1 inch is two centimeters. 12 is the scale of 12 inches, and the full size of the film is ready 29 centimeters. 75g is water yield, 1g is 3 liters. 75g is 24 hours of water production. 75x3 is the full quantity of water produced in a day.