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Audio-Service HF3 Blue Cerumen Filter (left) 3.0 mm
Cerumen Filter from Audio-Service The Cerumen Filter from Audio Service with 3.0 mm diameter is suitable for many in-the-ear hearing aids. Includes filter changing pen. Earwax can reduce the performance of your hearing aid. The Cerumen Filter from Audio-Service offers reliable protection of the hearing aid from earwax contamination. One pack contains 15 HF3 cerumen filters. Blue packaging = for left side.