Sprays 12 individual streams over a circular area with an adjustable diameter of up to 22' . Sprayer inlet: 10 to 32 NFT. No. R180CT: Spray Pattern: Full Circle, Spray Radius: 11', Inlet Type: 10-32 national female thread No. A180010B: Spray Pattern: Full Circle, Spray Radius: 22', Inlet Type: 10-32 national female thread