Power Push Button Switch Cover, Dustproof Safety Power Push Button Switch Cover Protector for 22mm Power Push Button SwitchComputer PC Desktop: Amazon.com: Industrial & Scientific
ITROLLE Push Button Cover 4PCS 16mm Adhesive Flat Power Switch Coves Safety Guard Plastic Pushbutton Cap with 16PCS Transparent Double-Sided Colloidal Particles: Amazon.com: Industrial & Scientific
Silicone Dust Cover for 16mm Metal Push Button Switch (1 pcs) [SDC-16] - $1.00 : Auber Instruments, Inc., Temperature control solutions for home and industry