| Brand | GENERAL WIRE & SPRING COMPANY |
|---|---|
| MPN | 4DF |
Check the listing for details. GENERAL WIRE 4DF DRAIN FLUSH BAG 4" NYLON BACKFLOW PREVENTER USA. Condition: New. Listed at 103.12 USD. Constructed from reinforced nylon, this bag connects to a garden hose for use. When inserted into the drain, water pressure expands the bag to fit the pipe, allowing pressurized water to help push stoppages down the line.