This smallest adjustable float valve could be easily used in aquarium and mini water supply equipments    
which has limited space for float valves.   
Flexible arm can adjust the water level without the relocation of mount position.   
Pulling out the linchpin, reversing the arm position and pushing in again can convert the side-mount  to the top-mount and vice versa.    

Features:   
-Ball Diameter : 1.8" (45mm)   
-Valve Material : POM   
-Ball Material : POM   
-Pressure : 0.6MPa   
-Water Temp. : 176F (80C)   
-Flow Rate : 5.0L/m   
-Ball Length (Max) : 2.16" (55mm)   
-1/4 inches inlet   
Package Includes:   

1 * 3/8" Adjustable Plastic Mini Float Valve