Prevents Earwax Accumulation: Water and oil repellent filter that helps prevent earwax or moisture from entering the device, extending the service life of your sound amplifier. Wax Filter Replacement: Wax guard filters are designed to replace the original wax filters on compatible sound amplifiers. Includes 40 wax filters, providing ample supply for regular replacements. Fitment: Compatible with Phonak sound aids. The disk design allows for easy rotation and operation. A practical accessory for individuals with hearing needs. Material: Made from high-quality ABS material, these wax guards are durable, wear-resistant, and stable. Safe and environmentally friendly. Multiple Applicable Scenarios: Lightweight and compact, these wax guards are easy to store and carry. Ideal for use at home, in lectures, office environments, and more. Item Type: Disk Wax Guard Material: ABS Quantity: 5pcs Disk Wax Guards (8 wax filters per disk, 40 wax filters total) Compatible Model: Designed to fit Phonak sound aids Package Includes: 5 x Disk Wax Guard (40pcs wax filters in total)