Rainbird Full Circle 8 Series Fixed Nozzles Features: Pressure range: 15 to 30 psi (1,0 to 2,1): optimum pressure 30 psi (2,1bar) Spacing: 7 to 15 feet Adjustable distance screw 15/12/8 Series MPR Nozzles - Spray distances range from 4' to 15' - Matched flow rate nozzles assure uniform watering even when different patterns are mixed in the same zone - Available watering patterns for most any shape: full circle, half circle, quarter circle, one third circle, two thirds circle and three quarters circle patterns Specialty Pattern MPR Nozzles - Spray areas range from 14' x 14' to 9' x 18' - Matched flow rate nozzles assure uniform watering even when different patterns are mixed in the same zone - Available watering patterns for most any shape: end strip, center strip, side strip and square patterns Compatible with all Rain Bird Pop-up Spray head sprinklers