Island Series Artesian Spa lounger pillow cushion 26-0310-85 or OP26-0310-85 for select Island spa models from 2005-2015.
This pillow model 26-0310-85 is the lounge pillow used in select Island spas. The newest factory pillows don't use the logo on bottom right anymore, but are otherwise identical.
12-1/2" wide 5" tall with 2 mounting pegs 7-1/4" apart.
This is the factory original pillow, not an OEM imitation.
Pillow is about 12 1/2 inches wide and the 2 pins on the back are 7 3/8 inches apart when measured center to center.