PULSE Showerspas 12.6 in. W x 12.6 in. H x 4 in. D Stainless Steel Single Shelf Recessed Shower Niche in Brushed Stainless Steel NI-1212-SSB - The Home Depot
ALFI BRAND 36 in. x 8 in. x 4 in. Shower Niche in Polished Stainless Steel ABN0836-PSS - The Home Depot
eModernDecor Over Mount Installation 17 in. x 25 in. ABS Double Shelve Bathroom Recessed Shower Niche for Shampoo, Toiletry Storage SHC-R-1725D - The Home Depot