Fidelity Hearing Aid Cords

	Receiver	Inst. Code	Rec. Code
100, 350, 300	Polarized Polarized	5T 5	5T 5T
303, 305, 335, 339, 346, 360, 361, 362, 364, 333	Polarized Polarized	121 116	5T 5T

Please specify which make and model hearing aid you have.