For 86.28 euros, you can order this rainwater collector at Cdiscount. The water collector is foldable, to adapt to all environments.
It can collect rainwater directly from the tank, leaving the top open, or plugging it into a gutter. With a size of about 98 x 100 cm, its maximum capacity is 750 liters. The rain collector has protection against overflows, to reduce waste. As for the filter, it guarantees a filling without any sheet or dirt.