Model Number: NW-RO50-D1 Brand Name: Nature Water Key Specifications/Special Features: 1: 5 micron polypropylene sediment filter: PP-10A2: Granular activated carbon filter: GAC-10A3: Block carbon filter: CTO-10B4: 50-gallon vontron RO membrane ( 50G )5: Post inline carbon filter: T-33A10" double "O" ring housingDENGYUAN brand bumpJACO or quick fitting:D-01/ D-02 faucet3G plastic tankCarton size 41 x 35 x 58cmSuitable water pressure: 0.3-8 bar water pressure