AutoAqua Smart ATO Nano HOB Auto Top Off Part # SATO-270D
 
Smart ATO Nano Kit
Plug & Play Auto top-off system
For nano and pico aquariums under 50 gallons
Automatically monitor and refill evaporated water
Adjustable holder fitted for 3-10 mm aquarium glass thickness. 
Extremely simple to set up
Helps keep a stable osmotic balance for saltwater applications
Simple installation and Silent operation
Diaphragm pump and a Dual Optical Sensor
 
Tubing 
6.5 feet (200cm) 
To be used with diaphragm pump, prefilter, and anti-siphon valve.
Tubing I.D.  5/32 inch (4 mm) O. D.  1/4 inch (6.4 mm) 
 
Anti-Siphon Valve
Used to stop a back siphon
Handles forward siphon pressure up to 2 feet (60 cm) of water.
 
 
Universal Power Adapter
Input: 100-240V ~ 50-60Hz
Output: 12V/1A
 
Diaphragm Pump Specifications
Max Suction Head: 6.5ft (200cm)
Max Flow Rate: 7.9gph (30lph)