Double screen Pop Filters: The first screen blocks air blasts as any pop filter normally would; The gap in between then disperses any remaining air pressure so by the time it passes the second screen the blast is easily contained Adjustable: The metal gooseneck holder fully supports the filter s weight and keep it in place. You can adjust the angle and distance between the screen and the microphone Universal: Adjustable screw rotating clamp with scratch-proof gripper can secure to MOST tubular mounting booms or mic stands (Maximum diameter: 1.6inches) Easy Mount & Demount: Swivel mount for easy installation. Microphone Mic Stand and Shock Mount are sold separately NOT included