Head Rest Pillow Part Number: 77228. Head rest pillow compatible with hot spring highlife series spas from 2014-Current Comfortable Experience: The spa neck pillow refreshes your bathtub. It also provides neck support to maximize your relaxation in the spa for a wonderful experience of comfort and flexibility Durable Material: This hot tub headrest replacement is made of durable EVA foam with good abrasion resistance, 77228 headrest ensures durability even in contact with water Compatible Models: Spas replacement pillows fit for Aria AR (2014-2018), Aria NXT (2017-2022)/Envoy KK (2014-2018), Envoy NXT (2014-2022)/Grandee GG (2014-2018), Grandee NXT (2014-2022)/Triumph TRHN (2019-2022) Fitment: Hot tub pillow replacement for Prodigy H (2014-2018), Prodigy HN (2019-2022)/Sovereign II (2014-2018), Sovereign IIN (2019-2022)/Vanguard VV (2014-2018), Vanguard NXT (2017-2022)/Jetsetter JJ (2014-2018), Jetsetter JJN (2019-2022), Jetsetter LX JTN (2014-2022)