This fits your .
Redi base shower pans come in over 100 standard models with a variety of sizes and drain locations. Choose from single curb, double curb, triple curb, or barrier free entrance. All models offer the top-quality features you expect from tile ready brand shower pans. Tile redi shower bases comply with all national and local Plumbing Codes and are UL listed.
From the Manufacturer
Redi Base 42 in. D x 60 in. W, Double Threshold Shower Base with Integrated Center PVC Drain
Tile Redi USA 4260CDR-PVC Base Shower Pan Black 42" x 60" - B004HGU7DI