... to allow the search tool to narrow down your exact choice. Once you've discovered a grain vac you'd like to purchase you can contact the seller direct through the information given on the advert. You can also request extra specifics from them direct. Alternatively, if you are having trouble or would just prefer to speak to a person, you're more than welcome to call our office where a member of our trained staff will be more than happy to go through the search engine options with you and help you in getting the answers to your questions. We operate worldwide so you will be sure to find the right grain vac that exceeds your company needs.