Superior Pump 25 Ft. Lay-Flat Discharge 1-1/2 in. Hose Kit - PVC Material, Low Pressure, Compact Storage - Ideal for Sump and Utility Pumps in the Water Pump Accessories department at Lowes.com
Bur-Cam 1-1/2 Inch Sump Pump Drain Hose Kit | The Home Depot Canada
Sump Pump Discharge Lines & Outdoor Drainage
Avoid a Frozen Discharge Line | American Dry Basement Systems
drainage - Can I run this sump drain underground? - Home Improvement Stack Exchange