Gilmour 7900MM Sprinkler Metal Oscillator with Metal Tube Designed for large lawns Consistent even coverage up to 4000 Square feet 19 spray jets Dials may be Adjusted to control coverage-full or partial Requires no maintenance This oscillating sprinkler has coverage up to 4000 sqare feet Constructed with heavy-duty metal Metal spray tube with 19 metal jets Easy to use rotation dials