ER1-04 Sound delivery tube adapters for Inserthörer Etymotic Research

Replacement connectors / sound tube nipples for ER-1 and ER-2 insert earphones for research.
The White Nubbins are used to connect the earplug to the silicone tube of the headphones.
The ER-1 Insert Earphones require the “ER1” accessories for sound delivery (eg ER1-14A,B, ER1-21, ER1-06, ER1-04 etc.)
The inner diameter of the tubes is 1.35 mm, which is smaler than the ER-3 products!

Scope of delivery: 2 pieces
evidENT-Shop Article 703