Unicel C 8399 100 Sq.Ft. Caldera Filter, 8"x16 1 2"L, Semi Circle Handle x 3 5 8" Open brushes Install on the return line Color:Flamingo Pink Install on the return line according to the manufacturer's instructions ⚙️ Compatibility: Intended for Pentair Rebel and Warrior series automatic pool cleaners • Material: Reemay® polyester 🔄 Compatible Caldera Spa Models (partial list): • Caldera Utopia Series (select models) • Caldera Paradise Series (select models) • Please verify fitment with your spa owner’s manual or existing filter dimensions 🔁 Replaces or is compatible with: • Caldera 73531 High Performance Media – Made from heavy duty Reemay® spunbond polyester for long lasting filtration 🔹 Precise Fit for Caldera Spas – Designed for seamless compatibility with many Caldera models (see compatibility below) 🔹 Easy to Use End Caps – Semi circle handle for quick removal and installation