The Intensive Care Audio Vena Cava Filter is a distortion pedal designed in London, England. It offers auto-filter and ring modulation effects, with 8 controls for sound customization. These include a wave function switch, frequency control, ring control, ring switch, voice switch, volume control, peak control, blend control, and gain control, providing a versatile range of sound customization options. The pedal is constructed using high-quality components and features true bypass.