The patented duck bill valve allows a large flow of air and water to be blown from return plumbing but does not allow pool water back into the lines.
- Winterizing a pool becomes a one person operation.
- Eliminates burping of lines.
- No need to drain water below returns.
- This double seal system provides a water tight seal.
- Includes safety cap for ice protection.
- Heavy duty rubber is resistant to anti-freeze and other chemicals.
SAVE TIME | SAVE WATER | SAVE COVERS | STAY DRY