Contech 300000812 Rainforest Spike Sprinkler Operates on extremely low water pressure - ideal for well or pump systems Consumers up to 30% less water than oscillating or impact style sprinkler Will not clog - safe to use with hard or unfiltered water Can be adjusted from 6 to 50 foot diameter spray. Rain/mist effect is gentle on plants seedlings and is ideal for newly seeded lawns 2 Way spike sprinkler Heart shaped sprinkler head shatters water droplets into a fine rain or mist improving the delivery of water to the root zone of your lawn and garden Sprinklers work on low pressure Fine rain or mist spray is very gentle Even coverage up to 1900 square feet