Projector Screen Kits - Outdoor Screens - Carl's Place
Prime-Line MP14074 Aluminum Screen Frame – 5/16 x 3/4 x 72 In. White Finish – Build or Repair Window Screens – Cut to Size – Uses 5/16 x 3/4 In. Screen Frame Corners (20 Pack) - Amazon.com
Screen Tight 5/16 in. x 84 in. Aluminum Screen Frame MSCF5167 - The Home Depot