Vacuum cord
Vacuum Effect AC Cable-Conditioner
Vacuum cord represent new standard in power AC Cable-Conditioner segment, made by NAT . Vacuum cord give an opportunity to listen favorite music on two different filtration mode.In fact it represent two types of AC filtration in one unit.
See about this at http://www.nataudio.com/products/all-products/accessory/item/101-vacuum-cord.html
