Lutron Maestro LED+ Dimmer Switch Kit with Companion Switch, 150W LED/3-Way or Multi-Location, White (MACL-153M-RHW-WH) MACL-153M-RHW-WH - The Home Depot
Wiring a 3 Way Dimmer with companion - YouTube
Lutron Diva LED+ Dimmer Switch for Dimmable LED Bulbs, 150-Watt/Single-Pole or 3-Way, White (DVCL-153PR-3-WH) (3-Pack) DVCL-153PR-3-WH - The Home Depot
Lutron Diva Single-pole/3-way LED Rocker Light Dimmer Switch with Wall Plate, White in the Light Dimmers department at Lowes.com
Can you wire a lutron maestro dimmer on a 4-way switching system? - Quora
How to Install a Dimmer Switch - Single Pole or 3 Way - YouTube