The Kirby Sentria Carpet Shampoo System in Original Box Model 293006 without Shampoo is a set of 5 gray shampoo system units designed for the Kirby Sentria vacuum cleaner. Made in the United States, this system is suitable for upright use and is compatible with Kirby Sentria models. Perfect for removing tough stains and cleaning carpets, this shampoo system is an essential addition to your household cleaning supplies.