This fits your .

100% Brand New and High Quality SC-41 Series Switch.
Air Switch kit is a stylish alternative to the traditional wall switch and a perfect fit for Island Installations and works with any disposer.
Air Switch can be mounted easily to any Sink or Counter top installation.
Made in China, Low Price but High Quality!
Specification:
Package Content: 1 x Air Switch
Model: SC-41-32FL
Main Color: Black, Silver Tone
Overall Size: 46 x 90mm/1.83in x 3.6in(Max.D * L)
Thread Dia.: 32mm/1.26in
Action Type: Momentary
Button Dia.: 23mm/0.91in
Button Color: Silver Tone

uxcell SC-41-32FL Garbage Disposal Air Switch 32mm Thread Dia Silver Tone Button - B073VRGRSK