The MicroSnorkel / MicroCentipede Kit features rugged construction and innovative design, and is an essential component of the MicroPondless Waterfall Kit. The MicroCentipede Module collects water at the base of your gravel bed to be returned via pump to the top of your water feature, while the MicroSnorkel Vault provides access to your pump and allows you to visually check the water level in your system. Flow rate: pumps up to 3,000 gph