High-removal type water purifier cartridge set, easy to use with adjustment function. - Model Name: ECOSSET NATULIC - Type: High-removal type - Included: Cartridge set (Type A, Type B) - Adjustment Function: Water flow adjustment dial Thank you for viewing. The box is slightly crushed, but it is a new, unused item. It was opened for photography. Returns are not accepted after purchase, so please purchase only if you agree to this.