Features include:

• Superior rolling system enables the door to slide smoothly and effortlessly
• Gasket with "cushioned bumper" ensures tight seal
• Adjustable wall jambs
• Bottom door sweep
• Patented Anti-Jump system
• Space-saving sliding door panel
• Microtek glass surface protection comes standard

Please note: 

32" Return Panel = 29-7/8" to 30-1/2" 
36" Return Panel = 33-7/8" to 34-1/2" 
42" Return Panel = 39-7/8" to 40-1/2" 
48" Return Panel = 45-3/4" to 46-3/8"