Quick view NDS 3" & 4" NDS Pop-Up Emitter Only (Green) (Each) (1) Compare $17.28 Also Available: Contractor Pack of 20 emitters NDS420_BX Allows water to be diverted and released to water-safe areas away from structures, erosion-prone landscapes and poor drainage areas. Permits water captured by grates, catch... Add to Cart Add to Cart Add to Wish List Add to My Wish List Create New Wish List