Amazon offers the Vigo Elan 60" Frameless Sliding Tub Door, model no. VG6041STCL6066, for $876.72. Clip the 5% off coupon on the product page to drop it to $832.88 at final checkout. With free shipping, that's the lowest total price we could find by $44. It features an adjustable opening from 56" to 60", clear tempered glass, and stainless steel hardware.