Jacuzzi Sundance 2472 824 Pillow, J 300 Insert, 2014+ natural chemistry The Arctic Filter PRT 900105 High 230v compatible The Arctic Filter PRT 900105 High Flow Progressive Filter is for Arctic Spa Custom Series Models 2020 and beyond Pentair Legend (LL505G) ✅ Key Features: ✔ Genuine replacement part for Jacuzzi and Sundance spas ✔ Designed for J 300 Series models from 2014 and newer ✔ Helps restore head and neck comfort during spa use ✔ Durable spa grade construction for long lasting performance ✔ Easy to install as a direct replacement insert 📌 Compatibility: Compatible with select Jacuzzi and Sundance J 300 Series spas For 2014 and newer models only Use part number 2472 824 to match the correct replacement pillow insert If replacing an existing headrest 2014+ Part #2472 824 Replacement Headrest for J 300 Series Spas Fits 2014 and Newer Models The Jacuzzi Sundance 2472 824 pillow insert is a genuine replacement spa headrest designed for select J 300 Series hot tubs made in 2014 and later