These filters are the Cerustop filters direct from Phonak.
5 packs with 8 filters per pack, a total of 40 filters per order.
These are the 3rd generation wax traps.
Direct Phonak replacement for the discontinued Wax Trap 2''s

Technical Details

Width : 0.75 cm
Height : 0.75 cm

Product Details

ASIN : B00HEPH6SS