HomeProduct Care InstructionsReplace filter every four months. Use BISSELL® Replacement Filters to ensure excellent performance. Replace filter every four months. Use BISSELL® Replacement Filters to ensure excellent performance. Filter Showing the single result Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low Sort by editor review Added to wishlistRemoved from wishlist 0 Add to compare Best air purifiers for allergies and asthma sufferers BISSELL Air180 Air Purifier For Home, Bedroom, HEPA Filter ★★★★★ Best deal at: amazon.com $39.99 + 4 more