Graham Field Tuning Fork - Adjustable Frequency Gold Care Foam Mattress ResMed S9 VPAP ST-A's whisper

ResMed S9 VPAP ST-A's whisper quiet motor makes for a peaceful environment for you and your bed partner

It's important to maintain a secure seal to ensure the effectiveness of sleep apnea therapy

Maintain an active daily life

Padded dual knee pads and seat pads for comfortable transport

Graham Field Tuning Fork - Adjustable Frequency Gold Care Foam Mattress ResMed S9 VPAP ST-A's whisperGraham Field Tuning Fork Adjustable Frequency Features All aluminum tuning fork Scale letters are stamped on stems Specification Brand: Graham Field Product Type: Tuning Forks Tines: 3 8 Length: 8" With Adjustable Weight Scale in Seven Frequencies: C128, D144, E160, F170. 7, G192, A213. 3 and B240 (weights removed)