http://www.trishir.com With easy to operate volume control dial,the desired volume can be set from position 1 (minimum) to position 4 (maximum). Pocket Hearing Aid Siemens Operating instrument booklet is available with the instrument Always use dry c...
http://www.trishir.com These units are available for direct connection to medical oxygen and air outlets in such equipments . Solid brass body chrome plated for durability. Plastic knob long lasting. Unbreakable polycarbonate bottle.
http://www.trishir.com Plus you get a double tube configuration for improved acoustics.Pieces include an adult and paediatric diaphragm and three bells (1 Sdx Finishing .
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