This Water Spinner will work at pressure as low as 20psi and operates at it's optimum at 40 - 50 psi. Ideal for smaller gardens or for specific beds and borders in a larger garden. Provides an even coverage of soft rain over an area of approximately 30ft diameter. The Water Spinner fits all of Mix & Match bases which are available separately. For extra height use the DW370 Telescopic Riser.