This polyester filter replacement element for 1" filter systems is manufactured by Vu-Flow/Rusco. This is Vu-Flow part number is NT30SC-[mesh selection], or Rusco part number is FS1-[mesh selection]. This filter element is from the original manufacturer, and manufactured for use with both Vu-Flow 1" T-Style filter systems (model NT-75) and Rusco 1" Spin-Down Sediment filter systems (model 1-F). 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 5½" x 1-3/16" and is available in several mesh sizes to meet your particular requirements. Also available in stainless steel (sold separately).