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. Tile Redi P4860C-PVC-22x30-4.5-4.5 Features: Tile Redi P4860C-PVC-22x30-4.5-4.5 Specifications: