The Rain Bird B81100NP is a 8005NP 5" 8000 Series Part Circle/Full Circle Non-Potable Rotor. The Rain Bird® 8005 Rotor is built rugged to withstand the harsh conditions and vandalism present in commercial rotor applications. It has been designed and tested to ensure the high reliability demanded by the market today. With its extensive customer identified features, it is versatile enough to fit all applications. The Rain Bird® 8005 Rotor, with its extensive customer identified features and 80 foot radius, is ideal for watering sports fields, parks, and other large turf applications.