Origins RO400-B Replacement Details

Wall mounted
Unit Dimensions: Dimensions: 17.25 inches tall by 7.25 inches wide x 15.5 inches long. Standard Holding tank: is 3.2gallons 

3 year warranty

Filters for the RO400-B are as follows: 1-Sediment filter , 1-Carbon Block , 1-Activated Carbon , 1-RO Membrane 

Disclaimer: It is recommended you replace filters 1,2,3, for the RO400 annually (service for replacement $150.00). Filter 4 (Membrane) every 2 years (all filter service $200.00). This is dependent on water quality, and the amount of water you use. Water can change over time; filter changes may need to be more frequent.  If you use filters that are non-Aerus filters this can void your warranty, and effect the performance of your RO400-B unit.