Swimming Pool Heat Pump Fan Grill. (Solar Series 2000 and Premium Series)(Flat Grill 26.25″ / Mounting Tabs 28″). Includes six Grill Screws #FAP0073, six Screw Protectors #9002, & one center cap #PCM0171. (For models AT550, AT600, AT700, AT800, AT1000, AT1200, Premium 90 & 120). Please note this grill will NOT fit the AT75 models.