Eaton CH 40 Amp 4-Circuit Outdoor Spa Panel with Self Test Ground Fault Circuit Breaker CH40SPAST - The Home Depot
Eaton BR 40 Amp 2-Circuit Spa Panel with 2 Pole Self Test GFCI BR40SPAST - The Home Depot
Cutler Hammer GFTCB240 40 Amp 2 Pole GFCI Circuit Breaker Plug-In 120/240V For Br Series Panel (Does Not Fit In A Cutler Hammer Ch Series Panel) Replaces GFTCB240 - Walmart.com
NEW Siemens 40 AMP GFCI Circuit Breaker. Q240AP 240V Was ̶$̶2̶2̶9̶.̶9̶9̶ | eBay