polyester filter replacement element for 1-1/2" filter systems is manufactured by Rusco /Vu-Flow. This is Vu-Flow part number is NT60-SC500, or Rusco part number is FS-1-1/2-500. This filter element is manufactured for use with both Vu-Flow 1-1/2" T-Style filter systems and Rusco 1-1/2" Spin-Down Sediment filter systems. Vu-Flow and Rusco are the same manufacturer, out of the same location in Brooksville, Florida. The screen shipped may have either the Vu-Flow or Rusco branding as both are identical. The re-usable filter element screen measures 8-1/8" x 1-5/8".