Based on this product's specifications, here are some alternatives and similar models
Water Level Tube Dedra MW041 — 15 m hose for water leveling and transfer
Summary description:
Dedra MW041 is a water level tube consisting of a 15 m flexible hose designed for transferring and comparing water levels across distances. The tool is used for leveling, site layout, and checking elevation differences where optical levels are impractical. It provides a simple hydrostatic method for establishing equal heights in construction, gardening, and plumbing tasks.