The FDA has announced a Class II recall of 4 lots of Fresenius Optiflux F160NR Capillary High Flux Dialyzer Single Use Only, Product Code 0500316E, Lot Numbers 18HU06016, 18HU06017, 18HU06018, and 18HU06019, because of blood leaks. For details see https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfres/res.cfm?id=169039.