Bissell 16N5 Series Healthy Home Upright Hepa Exhaust Filter Part # F959, 959 Bissell 16N5 Series Healthy Home Bag-less Upright Hepa Exhaust Filter Fits Models : 16N5, 16N52, 16N53, 16N58, 16N5K, 16N59, 16N54, 16N5T, 16N5F. Aftermarket Part # F959.