This listing has moved
It was merged into Govee Smart Air Purifier 2 Pro (Sensor), the same product. That page has the retailer options and certification details.
CSA Matter certified (certificate CSA2431DMAT43472-24). Uses Wi-Fi, so it needs no Thread border router, only your platform’s Matter controller.
At a glance: Matter certified: Yes, Jun 4, 2024 · Connectivity: Wi-Fi · Platforms: Amazon Alexa (named by the maker); Apple Home, Google Home and Samsung SmartThings (listed in its catalog record, unverified) · Thread border router: Not needed (uses Wi-Fi)