This is a High Quality Exhaust Hepa Filter Engineered & Designed By Crucial Vacuum. Fits Perfectly with Bissell Style 12 Exhaust Replacement HEPA Filter for Bissell 6585, 6596, 6594, 6594-W, 6579 Uprights. Compare to Bissell Style 12 Part# 203-1402. This curved pleated exhaust filter is located near the bottom of the upright portion of the vacuum in the front of the machine. Replace this filter every six months. An absolute Must For Allergy sufferers! This is a generic product designed and engineered in the United States by Crucial Vacuum. This is not a Bissell® OEM product and is not covered under any Bissell® manufacturer's warranty. The Bissell® brand names and logos are the registered trademarks of their respective owners. Any use of the Bissell® brand name or model designation for this product is made solely for purposes of demonstrating compatibility.