Dirt Devil Model CV1800 - Central Vacuum Direct
List Price: $7.95. Direct Price: $5.95. Save $2.00! Add To Cart. VACUFLO Gasket For All FC Models. Genuine Vacuflo dirt cone gasket for all filtered cyclonic central vacuum units. Will fit the following central vacuum models made by HP products: Dirt Devil - 299e, 390, 599e, 690, 799e, 990, 1099e, 1490, CV1800, CV2200, CV2600, CV3200, and CV3400.