Question: How do I connect my concentrator, tank, or nebulizer to my Lifeline Pet Supplies incubator? Answer: You can find this information directly on your product page where it was purchased from our website. Click on the product picture to enter the full description of the product. In the middle of the you will see several tabs for Description, Video, Reviews, and Manuals & Instructions. Under the 'Manuals & Instructions' tab you will find pdfs which include how to hook up your incubator to an oxygen concentrator, tank, or using the unit with a nebulizer pump. There are also other pdf's here that are available for viewing, downloading, or printing anytime for your convenience! Below you will find a screenshot on one of the product pages where those are located