Compatibility:72597 Cool gray spa pillow compatible with Hot Spring Highlife Series spas from 1997-2007: Accolade, Aria, Envoy, Grandee, ILE, Jetsetter, Landmark, Prodigy, Sovereign, Vanguard, Vista.This 72597 pillow is not backward compatible (won’t fit on older s).Please verify the serial number in the Parts Finder to confirm that this part is compatible with your spa model Applicable Models:72597 Spa head pillow replacement for Hot Spring Aria (AR)2007，Grandee (GG)2007，Sovereign (II)2007，Jetsetter (JJ)2007，Envoy (KK)2007，Vista (SS)2007，Vanguard (VV)2007，Classic (F)1997, 1998, 1999, 2000，Grandee (G)2007，Sovereign (I)2007，Jetsetter (J)2007，Vanguard (V)2007，Aria (AR)2007，Classic (F)1997, 1998, 1999, 2000，Classic (FQ)1998, 1999, 2000，Grandee (G)2007，Grandee (GG)2007，Grandee (GQ)2002 Applicable Models:72597 Hot tub pillow replacement for Highlife (Costco) (HILF)2006，Sovereign (I)2007，Sovereign (II)2007，Sovereign Limited Edition (ILE)2002，Sovereign (IQ)2002，Jetsetter (J)2007，Jetsetter (JJ)2007，Jetsetter (JQ)2001, 2002，Envoy (KK)2007，Landmark (S)1997, 1998, 1999, 2000，Landmark (SQ)1997, 1998, 1999, 2000，Vista (SS)2007，Vanguard (V)2007，Vanguard (VQ)2002，Vanguard (VV)2007，Classic 230v. (FH)1996，Highlife Limited Edition (ILE)2003，Highlife (K)1996 Installation Notes:The 72597 hot tub headrest pillow is held in place by two “mushroom” style posts on the back of the pillow. To remove the old pillow from the spa, simply pull it off. To install a new pillow, bend the pillow and press it against the post Soft & Comfortable:The Light Grey Spa Neck Pillow is designed with comfort in mind. Its cool grey colour and rounded corners with gentle angles and curves provide neck support and an enhanced hot tub experience. Transform your hot tub into a brand-new experience with a durable and reliable replacement spa pillow Part Number: 72597 Color: Cool Grey 72597 hot pillow compatible with 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. Pillow is held on by two "mushroom" style post behind the pillow. To remove old pillow from your hot spring spa simply pull it off. To install new pillow flex pillow and press on over post. The 72597 Spa Pillow is made of high quality materials that provide superior comfort and resilience. It will not flake over time, is abrasion-resistant and durable, and can maintain its integrity even after prolonged exposure to water. The Light Gray Spa Neck Pillow features rounded corners with gentle angles and curves to provide neck support and an enhanced hot tub experience.