Intensive Care Audio Vena Cava Filter Distortion/Ring Modulation Effect PedalWhen Bland Guitar Syndrome's got you down, don't despair, try the Intensive Care Audio Vena Cava Filter. Straight from London's premier purveyors of effective audio medicinal treatment, the Vena Cava Filter is a fast acting solution of auto filtering and ring modulating distortion to enact relief from this and other similar instrument born conditions. The Vena Cava Filter is a formidable distortion propelled by filtering and modulating powers to come