Autopot XL 1-Pot SystemLet Gravity Do the Hard Work with the Autopot XL System The AutoPot XL is a fully automated, low maintenance, gravity driven watering system that's the same as a standard AutoPot. Just like the standard Autopot it uses an Smart valve, rather than pumps & timers to gravity feed your plants, the only difference is the Autopot XL uses a 25 litre pots instead of 15 litres to grow a much bigger plant with a much bigger yield. Please note: Autopot systems