DreamLine Duet 44-48 in. W x 72 in. H Bypass Sliding Shower Door in Chrome, SHDR-1248728-01 Model Size: 44-48 in. W x 72 in. H; Walk-in Opening: 17-21 in.; Hardware Finish: Chrome Double sliding bypass configuration allows entry to the shower from either side; Specially designed rollers create a smooth, quiet gliding operation Wall profiles allow up to 1/2 in. of adjustment per side for out-of-plumb; Top and bottom guiderails can be trimmed up to 4 in. for width adjustment 5/16 in. (8 mm) thick ANSI certified clear tempered glass; DreamLine exclusive ClearMax protective glass coating Professional installation recommended; Limited Lifetime Manufacturer Warranty