Amazon.com: Aluminum Screen Printing Screens 10 x 14 Inch (Inner Size: 8 x 12 Inch) Frame-160 White Mesh (2 PCS)
Saint-Gobain ADFORS White 5/16-in Screen Frame - 7 ft. Aluminum Lineal Frame - Cut to Size for Customization in the Screen Frame Connectors department at Lowes.com