Feature Widely Application--- Spa pillow headrest is compatible with Sundance Spas 1998-2000 All Models: Altamar 1998-2000, Bahia 1998-2000, Calypso 1998-1999, Cameo 1999-2000, Capri 1998-2000, Caprio 1998-2000, Marin 1998-2000, Montego 1998-1999, Maxxus 1998-2000, Optima 1998-2000, Rio 1998-2000, Solo 1998-2000, Tango 1998-2000. Notice--- The Ball and Socket style spa pillows used in all 1998 model spas have been replaced by the suction cup style pillow. To utilize these 6455-445 suction cup spa pillows, you must install (2) pillow pads (#6455-002) (not included) over existing Ball and Socket holes to establish a reliable sealing surface for easy installatioin .
eBay