SENTRY UV MODELS SAG120APVC Pro Series Max Flow 75 gpm SAG120A Pro Series Max Flow 120 gpm SAG240APVC Pro Series Max Flow 150 gpm SAG240A Pro Series Max Flow 120 gpm SAG480APVC Pro Series Max Flow 300 gpm SAG480A Pro Series Max Flow 350 gpm SAG720A Pro Series Max Flow 620 gpm SAG960A Pro Series Max Flow 770 gpm SAG1200A Pro Series Max Flow 1140 gpm