Thank you for visiting our ebay store! NEW. 5-packs of 8 filters. Phonak Cerustop wax guards. The new replacement for the older Wax Trap 2 Wax guard for Phonak receiver-in-canal and custom hearing aids using the Cerustop or Wax Trap systems. Please note that this is the new WaxTrap2 system. They are fully interchangeable with the older WaxTrap filters. The removal stick is now threaded which makes removal easier. To remove the old wax guard, insert the threaded end in the opening of the wax guard, twist and pull out the old guard. To insert the new filter, flip the tool and insert the new wax guard. Due to hygiene reasons meant for your health and safety, this product is not refundable or exchangeable after opening. At The Hearing Aid Battery Club, you know you are buying safe, original manufacturer accessories, batteries, and replacement parts. Thank you. – 5 Packs of 8 filters each pack. – Phonak Cerustop filters. – These filters fit most Phonak Receiver-In-Canal hearing aid models made withing the past 10 years.5 Packs Phonak Filters Resound Unitron Widex Hearing Aid Wax Guards