The Hoover Central Builtin Vacuum Systems include the: S5620, S5630, and the S5640 HOOVER CENTRAL VACUUM SYTEM S5620 Regular price: $649.99 Sale price: $389.99 HOOVER CENTRAL VACUUM SYSTEM MODEL S5630 Regular price: $719.99 Sale price: $439.99 HOOVER CENTRAL VACUUM SYSTEM MODEL S5640 Regular price: $919.99 Sale price: $539.99 HOOVER CENTRAL VACUUM S5636 w/FREE Shipping Regular price: $499.99 Sale price: $449.88 HOOVER S3715-010 Magic Retractable Hose with FREE Rough in Kit HOOVER S5605 CENTRAL VACUUM SYSTEM Regular price: $349.99 Sale price: $288.88 HOOVER S5629-080 CENTRAL VACUUM COMPLETE KIT w/FREE SHIPPING Regular price: $999.99 Sale price: $659.99