Sunbelt Spa deluxe pillow with 2 prongs in gray. This is the original pillow used in Andromeda model. 2 pins in back - Pins are about 6 1/8" apart measured center of pin to center of pin. May say 1029 or 1029-B as well on back of pillow. Width of pillow is about 10 5/8". Pillow is about 5 5/8" tall.