- 3" and 4" polyolefin spring-loaded Pop-up Drainage Emitter with UV inhibitor. 40 GPM capacity. 0.04 psi or 1" of head to raise top.
- Can now be installed in vertical applications - ideal for discharging water from retaining walls and street curbs
- Fits 3" and 4" hub sewer and drain fittings
- Spring automatically retracts