This system is designed to cover long wall lengths. The model has been improved and perfected with the experience of more than 15 years, to offer a robust and durable product. One-piece bottom channel, made entirely of stainless steel, without joints or seals. This guarantees an operation without water loss due to possible dilatations. The tank containing the pump is integrated in the lower channel, so no auxiliary tanks or water collection systems are required. The whole system is manufactured to the measurements specified by the customer.