EUREKA BOSS CAPTURE + PET LOVER UPRIGHT SECONDARY FOAM FILTER. FOR MODELS 8802AVZ, 8803AVZ, 8806AVZ, 8806BVZ, 8807AVZ, 8811AVZ, 8851AVZ, 8852DVZ, 8852AVZ, 8852BVZ, 8853AVZ, 8863AVZ, 8873AZ.