Snap Sensors: 011521 Abdomen for Universal PSG systems, Embla 7000, titanium, Embletta (all models) 011522 Thorax for Universal PSG systems, Embla 7000, titanium, Embletta (all models) 013224 Abdomen for all Embla systems 013225 Thorax for all Embla systems RIP Processors: 1421048 Abdomen for Universal PSG systems 1421047 Thorax for Universal PSG systems