- Hot Spring Spas Highlife Series Cool Grey pillow is for the following models: Hot Spring Grandee 2002-2007, Hot Spring Vista 2004-2007, Hot Spring Envoy 2004-2007, Hot Spring Vanguard 2002-2007, Hot Spring Jetsetter 2002-2007, Hot Spring Prodigy 2002-2007, Hot Spring Sovereign 2002-2007, Hot Spring Accolade 2005-2006, Hot Spring Landmark 2000-2003, Hot Spring Aria 2007, Hot Spring Highlife ILE 2003, and some additional models. Call for additional eligibility.