Hayward 18" Pro Series Top Mount Sand Filter with 1.5" Valve | W3S180T Turbo Clean and E19) are replacement parts

and E19) are replacement parts that are made by Pentair

This swivel was designed specifically for the Legend II pressure cleaner

Rainbow 320 automatic chlorine/bromine in-line pool and spa feeder

Compatibility - Suitable for concrete/ gunite

Hayward 18" Pro Series Top Mount Sand Filter with 1.5" Valve | W3S180T Turbo Clean and E19) are replacement partsThe ProoSeries top mount and side mount sand filters utilize a precision engineered umbrella fold self cleaning lateral system to provide efficient flow and evenly distributed water for totally balanced backwashing and long lasting performance. Specifications: Design Flow Rate 35 Drain Port Size 1. 5 Effective Filtration Area 1. 75 Sq. Ft. Filter Type Sand Maximum Working Pressure 50 PSI Pool Type Above Ground Tank Type Polymeric Resin