Model number PF-02 or PF-03. I'm not sure which product it is. If you know, please purchase. This filter unit is exclusively for the Devopet Smart Pet Automatic Water Dispenser. It is not applicable to other brands' products. ❣️First come, first served for only one item! ✨Instant purchase is welcome, and silent midnight purchases are OK!✨ ⚠️Photos cited from the site are for illustrative purposes! Please be sure to check the actual product photos. ⭐️Welcome to bulk purchases, please feel free to comment. ✨Free shipping! ・There may be some scratches, etc., due to home storage. ・It will be shipped in simple packaging. Please understand and purchase (⁎ᵕᴗᵕ⁎) #saku shop's product list is here ✨☜ 13-83 850 Separates hair and dirt, and softens water with a filter.