Found this refurbished page on their site page. 90 Day warranty and it's their certified refurbished.
Nighthawk AC3200 Tri-Band WIFI Router R8000 >Expired, now $159.99
Many other deals too:
XR500 Gaming Router $159
Mesh Kit AC3000 RBK50 $170
WiFi 6 RAX120 AC6000 $350
*Get 10% off with their Sign up and Save coupon, may need to go to store.netgear.com to get the box (private browser).