Double Threshold Square Shower Base Size: 42W x 42D

Hydro Systems 42 in. x 48 in. Single Threshold Shower Base in White HPA4248W - The Home Depot

KOHLER 8648-0 48 x 42 Rely Single-Threshold Shower Base with Center Drain, White

Double Threshold Archives - Acritec Industries

Tile Redi Redi Base 42 in. x 60 in. Double Threshold Shower Base with Center Drain and Polished Chrome Drain Plate 4260CDL-PVC - The Home Depot

DreamLine SlimLine 42-in W x 42-in L with Corner Drain Double Threshold Square Shower Base (White) in the Shower Pans department at

Standard Double Threshold Shower Base - The Onyx Collection

Fine Fixtures Double Threshold Acrylic Shower Base - Non-Slip Textured Surface Shower Floor Pan 48 x 36 Left Hand Flange in White

MTI MTSB-6042MTHD Multi-Threshold Shower Base, Hidden Drain (60 x 42)

DreamLine® SlimLine 42W x 42D Black Double Threshold Shower Base with Corner Drain at Menards®

ANZZI Vail 48 x 36 Double Threshold Rectangluar Center Drain Location Shower Base in Glossy White, Marine Grade Acrylic and High Yield Fiberglass, Integrated Slip Resistant, SB-AZ022R