NDS Pop-Up Drain Emitters With 90 Degree Elbow Size:4" this knob and keyway fit

this knob and keyway fit the two most common backsets in the U

Launderable: Yes

Finished in oil-rubbed bronze and designed for left or right-hand doors

steel lifting saddle with 360 degree swivel

NDS Pop-Up Drain Emitters With 90 Degree Elbow Size:4" this knob and keyway fitWater captured in your drainage system needs a point of release. The pop up emitter works at a low point of the drainage system to discharge water collected from upstream and helps protect property from water damage. As water pressure builds, the cap pops up to disperse water and closes once the flow diminishes. Key Features Pop up emitter cover consists of a spring loaded cap and wide flange to prevents turf overgrowth Engineered crossbar design