Aquatic Everyday 48 in. x 33.5 in. x 72 in. 1-Piece Shower Stall with Right Seat and Center Drain in White 1483OSR-WHHD - The Home Depot
Laurel Mountain Capron White 60-in x 36-in x 90-in Base/Wall Alcove Shower Kit with Integrated Seat (Center Drain) in the Shower Stalls & Enclosures department at Lowes.com