magnet:?xt=urn:btih:45ec120e40c68176ae5414250726cceaffe22001&dn=sd_xl_base_0.9.safetensors
magnet:?xt=urn:btih:b2685d9ae2026df0697e5f1193406cba16bad435&dn=sd_xl_refiner_0.9.safetensors

How to use the base and refiner models in ComfyUI
https://user-images.githubusercontent.com/48502124/250187845-ba7f710f-e365-4dc0-8be8-a364e47d92f3.png