for Eureka HF2 HEPA Filter. Compares to # 61111, 61111A, 61111B. Designed by Gold Line For upright Eureka Ultra SmartVac (Smart Vac) 4800 series models For optimum performance, change filter every 6 months Engineered with care and expertise to exceed OEM standards Gold Line products are backed by our Money Back Guarantee on quality and fit Designed and Produced by Gold Line- Look for the Gold Line label to ensure authenticity!