new hepa filter 17912 cheapest on eBay free shipping. 

Efficient high performance fine dust filter made of High Efficiency Particle Air filter rated material captures fine dust and debris and reduces household allergens. The pleated paper technology creates an oversized surface area for efficient dust and dirt removal and can be easily cleaned. For use with most 5 gallon and larger vacuums made after 1988.

The pleated paper technology creates an oversized surface area for efficient dust and dirt removal and can be easily cleaned

For use with most 5 gallon and larger vacuums made after 1988

Fits all vacuums that utilize red stripe filter

The filter media is rated 99.97% efficient for fine particles such as allergens and pollens down to as small as 0.3 microns

Includes filter with integrated cap to make installation even simpler