CMP Poly Jet Internal [3-3/8" Face, Twin Roto Deluxe Scallop] [Gray] (25591-231-000) precision An internal like this is

An internal like this is useful because it restores a more active jet pattern while keeping the visible trim face coordinated with the rest of the spa surface

The Carvin self-aligning pipe union assembly is designed for compatible 1-1/2 inch MPT plumbing applications where a serviceable connection needs a little more installation forgiveness

or missing after valve maintenance

The Waterway 660-3561 top access silent air control is designed for compatible spa systems using a 1-5/8 inch hole size and a 2-9/16 inch face diameter

CMP Poly Jet Internal [3-3/8" Face, Twin Roto Deluxe Scallop] [Gray] (25591-231-000) precision An internal like this isThe CMP Poly Jet Internal [3 3 8" Face, Twin Roto Deluxe Scallop] [Gray] is a practical replacement spa jet internal for service work where matching the original configuration matters more than making a broad, generic substitution. It is used within a spa or pool jet assembly where water movement, directional feel, face style, and matching finish matter for both performance and appearance. Key identifying details from the listing include 3 3 8" Face,