SST Screen Panel Roller - Functional Fenestration Inc.
Bali Custom Sliding Panel Shade in the Custom Shades department at Lowes.com
Aluminum roller shutter panel - RS 55 SL - heroal
Amazon.com: GoDear Design Deluxe Adjustable Sliding Panel Track Blind 45.8"- 86" W x 96" H, Extendable 4-Rail Track for Patio Door and Room Divider, See-Through Trimmable Jute Fabric, Semi-Privacy, Pu'er Tea :
Amazon.com: HomLxclx Heavy Duty Sliding Barn Door Floor Guide, Adjustable Roller, Wall Mount System, Flush Bottom Design, Barn Door Panel Non-Damage(8 in 1) : Tools & Home Improvement