Product Information:Rain Bird"s MaxiBird 1/2" (15/21) risermounted impact head used for slope and largearea, abovegrade applications. Flexible for straight through flow for superior performance in dirty water. Reliability and performance with proven impact drive.Additional Information: Features:#149; Proven impact drive#149; Doubleweighted arm for slower rotation and increased distance of throw#149; Straightthrough flow for superior performance in dirty water#149; Adjustable arm spring for lowpressure and lowgallonage operation#149; Precision Jet tube (PJ) minimizes side splash#149; 5 Matched Precipitation Rate (MPR) nozzles and 2 lowangle (LA) nozzles#149; Interchangeable, colorcoded bayonet mount nozzles#149; No tools required to change nozzles#149; FP trip permits full#149; or partcircle operation (20 to 340 degrees)#149; Powerful reverse action Specifications:#149; Model: 2045PJ#149; Product number: B4600008Operating Range#149; Pressure: 25 to 60 psi (1,7 to 4,1 Bars)#149; Flow: 1.5 to 8.4 GPM (0,34 to 1,91 m3/h; 0,09 to 0,53 l/s)#149; Radius: 22 to 45 feet (6,7 to 13,7 m)#149; Precipitation Rate: 0.28 to 1.21 inches per hour (7 to 31 mm/h)Specifications#149; Radius with Radius Reduction Screw: 18 feet (5,4 m)#149; 1/2" (15/21) male threaded inlet nozzlesNozzles Available Upon Request (Please Call Customer Service at 8779397979 and Specify Color Needed)#149; Standard trajectory angle nozzles: 06red; 07black; 08blue; 10yellow; 12beige (Color Coded)#149; Low angle (LA) nozzles: 07 LAblack; 10 LAyellow (Color Coded)#149; Nozzle outlet trajectory is 23 for 06, 07, 08, 10, and 12 nozzles#149; LA nozzle outlet trajectory is 11 degrees