Sturdy flat metal base, low pressure sprinkler reduces water consumption by up to 30%. Operates on extremely low water pressure, ideal for well or pump systems. Will not clog and is safe to use with hard or unfiltered water. Gentle even coverage up to 1900 sq ft (square foot). Ideal for watering lawns and low shrubs. Ready to attach to house, in/out connection. Rain/mist effect is gentle on plant seedlings or newly seeded lawns.