The Godox TP-S4A Air Soft Tube is a specially designed modifier that runs the entire length of the tube, softening the quality of light emitted by the bright LED fixture. It is specifically created for use with the KNOWLED TP4R Pixel RGB LED Tube Light. This modifier helps to diffuse and soften the output, resulting in a more flattering and gentle lighting effect. Key Features of the Godox TP-S4A Air Soft Tube: Diffuses and Softens Output: The Air Soft Tube runs the full length of the tube, providing a softening effect on the quality of light emitted by the bright LED fixture. Compatibility: Designed specifically for use with the KNOWLED TP4R Pixel RGB LED Tube Light.