Please check these pictures to identify your brand with INFI
1. K2- This also includes K2 Standing (as this picture shows) and K2 Wallmount (Only the top half that mounts with your wall)
2. K2 Mini
3. K3 (This is the K3 Main Body, you might have the standing K3, Wallmount K3 and Countertop K3. They composed with different parts but share the same main body)
4. V2