Sturdy metal version for mobile and stationary use, Removable dirt filter to protect the sprinkler from damage by sand and dirt particles, Brass coupling plug, compatible with all commercial plug-in systems, Multi-functional for watering surfaces or small front gardens, 9 Sprinkler areas, from circle to rectangle to atomised spray, Desired sprinkler area adjustable by turning the sprinkler disc, Sprinkler surfaces:, Circle Ø = maximum 10 m / 80 m², Semi-circle r = max. 8 m / 100 m², Square max. 8 x 8 m / 64 m², Rectangle max. 16 x 2 m / 32 m², Connection:, Brass cap nut, 3/4" female thread, Brass coupling plug 3/4" male thread