Waterway Poly Jet Internal [4-3/16" FD] [Roto] [Deluxe Scallop] [White] (210-6190) marathonelectric This configuration is built for

This configuration is built for that kind of workload

Helps restore proper internal flow-management support

When the skimmer area starts showing age

and PIN20 compatibility give this part practical value because replacement cartridges work best when they match the intended filter housing and service application closely

Waterway Poly Jet Internal [4-3/16" FD] [Roto] [Deluxe Scallop] [White] (210-6190) marathonelectric This configuration is built forThe Waterway 210 6190 Poly Jet internal is designed for compatible jet assemblies and features a 4 3 16 inch face diameter with roto action, deluxe scallop styling, and a white finish. An internal like this is useful because it combines a larger visible trim format with an active user facing jet pattern that helps restore the original feel of the assembly. The deluxe scalloped face gives this Waterway part a polished, premium look at the spa surface,