The VIPER extractor model offered by H2O Innovation is a high end, top quality product. Entirety made of stainless sTÉSl, it is modular, can easily be changed from a 1 pump to 4 pumps (5,000, 10,000, 15,000 and 20,000 taps). Submersible pumps are used to maintain a maximum vacuum level. With continuous vacuum, the VIPER is must-have equipment at the pumping station.