Oticon Prowax Minifit Wax Filters replacements for hearing aids (2 packs) - Walmart.com
Amazon.com: 24pcs Filter for Oticon Prowax Minifit Wax Guard Filters Replacement (1mm) Compatible with Oticon Hearing Aids Hearing Aid Accessories Fit Ria, Nera, Alta, Siya, MiniRite and More (24pcs=4pack) : Health &