Waterstone 3010-PN Contemporary Disposal Air Switch.
PN - Polished Nickel finish.
from mfg---
Description
• Air-activated garbage disposal switch.
• Convenient alternative to a wall switch.
• Great for kitchen sink, kitchen island or counter tops.
• Above the counter design.
• Easy to use and avoids broken fingernails.
• Includes two-outlet control box and tubing.
• Isolated from electrical connections.
• Made from solid brass or 316 stainless steel.
• Simplifies first time disposer installations.
• Easily replaceable air pump.
• Made in the USA.