PE sand filter 1.Top mount sand filters 2.Size:14'',16'',18'',21'',25'' 3.Compact and light weight,economic PE sand filterMaximum Working Pressure:200KPa/28psi/2.0baeFactory testing pressure:300KPa/44psi/3.0barMaximum water temperature:40oC(104oF)Maximum Filtration Velocity:50m3/h/m2Size of silica sand:0.5-0.8mmTechnical Data PE sand filter