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

It attaches easily to a standard pool pole via included hardware to give you reach and leverage without hassle

Reassemble carefully to avoid damaging the internal spring

Rated for up to ~60 GPM flow and ~43

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