PDC Spa Filter Element ( 1996-1999 ) Part Name: Filter Element Part Number: FLT-101SK Manufacturer: Pleatco Tubs Used On: Nouveau Used From: 1996 Used Until: 1999 Description: 10 sq. ft filter element. 4-1/4" x 4-1/16" PDC Spas Filter PWW10, C-4310, FC-3077 4-1/4" x 4-1/16" Top Open 2" Bottom Open 2" PWW10, C-4310, FC-3077