• This black wire reinforced extension hose fits WindTunnel, Savvy, Dual V, Empower and V2 Technology vacuum cleaners. 

• Extends hose length by up to 15 feet. The 1 1/2" diameter end has two locking pins which hold it in the vacuum. The other end is extra large to fit OVER wands and attachments. 

• For use with WindTunnel models: U5146900, U5162900, U5453900, U5435900, U6439900, U6445906, U6625900, U6626900, U6630900, U6630960, U6632900, U6655900, U6660900and other WindTunnel bagged and self propelled models manufactured AFTER 11/2002. 

• The first two digits of the serial number indicate the month. The second two indicate the year. For example, the serial number 080134334799 indicates a manufacturing date of 08/2001. Models manufactured BEFORE 10/2002 need hose 43434073.