Customize your system with a 50 gallon Open Tank.  Use on gutterless buildings.  Place under drip line.  
Includes  18 panels, liner, 3 bag fittings & debris filter.  Catches water directly through the top of the tank.  Filter keeps debris and mosquitoes from entering tank.  Connect tanks side by side along the length of a building to hold thousands of gallons of water.  *Does not include spigot or inlet.