Rainbow Vacuum Cleaner Pet Edition With Free Dog & Cat Attachments by ZVac. Rainbow Vacuum Cleaner E4 Black Edition Newest Model 2017 Type 12 E2 Black Rexair Rainbow E12 Uses Water Plus A HEPA Filter GREAT FOR ALLERGIES - Rainbow Vacuum by Rexair are great vacuums for home with allergies. This water and HEPA filter system combo is one that can't be matched when it comes to cleaning the air in your home! POWERFUL - Rainbow E4 Black (AKA E2 Black) is the most powerful Rainbow vacuum made to date. MADE FOR HOMES WITH PETS - Extra ZVac attachments are great for cleaning up after your furry friends. Warranty - Has a 10 year motor warranty from 3rd party home warranty company only. Not a Rainbow Rexair warranty.