The unit dimensions are 12.25x11.5x48.5 inches. There is a filter indictor letting you know when to change the filters. The unit can also connect to the Avalon app so you can keep tabs on the usage and filter life from wherever you are. Simply place your bottle in front of the infrared sensor to fill it with water. This consists of a Sediment filter (listed as model Avalon A5FILTER) and a Carbon Block filter (listed as model Avalon A4FILTER) which will last 6 months or 1500 gallons. DUAL FILTRATION: Patented Dual filters are included with the bottle filler. There is also a built-in leak detector to automatically monitor the water flow from the water source into the machine. The dispense area is 3.25x6x12 inches with 11.5 inches below the spout. Avalon Self Cleaning Bottleless Water Cooler Dispenser 3 Aazon.co: Avalon Freestanding Bottle Filler, Sensor Dispensing, Self... DASBET Torsion Bar Unloading Tool with Adapter | Heavy Duty Torsion Key Removal Tool Compatible for GM Chevy Car Truck Auto. AED 175.69AED17569 Wall Water Fountain Avalon Wall Mounted Bottle Filler, Sensor Dispensing Self Cleaning Digital Bottle Counter Display Dual Filtration Wifi Enabled A50 Sb Avalon Water Dispenser Manual The bottle filler uses touchless dispensing with an infrared sensor keeping the unit clean. This bottle filler is bottle-less with an NSF certified activated carbon filter (listed as model Avalon A4FILTER) and a sediment filter (listed as model Avalon A5FILTER) along with a water line that can be attached to your water source. We have also incorporated a self-clean function which will automatically clean the machine's water tank. The filters will last 6 months or 1500 gallons and can be easily changed byopening the lower cabinet door of the unit. The water is taken from your water source and filtered through the filters and then through the machine. The water cooler is UL listed.