Panasonic Qty. 1 2 3 4 5 6 7 8 9 10 Add to Cart Package of 1 Genuine Panasonic Secondary Filter 6217/6317 - is currently on backorder. You may still purchase now though and we'll ship as soon as more become available. For Models : 6217 6317 6327 6337 6347 6357 6367 6601