A filter (300) to be placed in a flow of blood through a vessel. The filter includes a hub (310) disposed along a longitudinal axis and a plurality of anchor members (330) extending from the hub. Each anchor member includes either a cranial extension (340) or a caudal extension (350) at a distal end thereof. At least one anchor member distal end is spaced from the hub at each of a first, second, and third distance along the longitudinal axis. The filter also includes a plurality of locator (320) members extending from the hub, the locator members alternatingly interposed between the anchor members.