Lungs are exposed to external oxidants from the environment as in harmful particles and smog. causing oxidative stress in the lungs and consequently respiratory ailment. The NF-E2-related factor 2 (Nrf2) is the one with transcriptional regulatory function. while its related protein Kelch-like ECH-associated protein 1 (Keap1) inhibits Nrf2 activity. https://www.roneverhart.com/Straight-Blade-Receptacles-Duplex-2P-3W-20A-125V-5-20R-WHITE-HUBBELL-5362W/