Generally, a shield is a protective plate or screen on machinery or equipment. There are various types of shields used in restaurant equipment from screw and bolt shields, splash shields, splatter shields, heat shields, burner shields, radiation shields, sneeze guards, frost shields, lamp and bulb shields, drip shields, and many others. Features. Antenna Grease Shield. Made with high quality materialSpecifications. Length 18.7. Width 14.6. Height 3.9