Covering any pattern from 0 to 330 degrees, the patented Rainbird 15CSTC1 Center Strip Nozzle has adjustable pattern nozzle that distributes water evenly regardless of pattern set. The Center Strip Nozzle is for use with 1804, SP40, SP25, and A17 spray heads and is compatible with other Rain Bird Matched Flow Rate nozzles. Two nozzles and filter screens are included.