PLUG AND PLAY Sleep Number and Select Comfort Mattresses Compatible Air Chamber Hose designed to fit with a 38 ID valve or hose Comes with both 1 female and 1 male connectors for seamless setup This type of air chamber were measured and made to fit within the common 4 foam rail mattress encasements HEAVY DUTY MORE DURABLE Experience pressurereduced sleep with the original Euro design of our Income Air Chamber providing a full 6 of air suspension Vulcanized construction eliminates seams for longlasting durability ECOFRIENDLY Crafted from highquality natural materials like cotton and natural latex offering a soft touch and promoting healthy sleep habits Sleep soundly knowing its good for you and the environment EASY SETUP Effortlessly set up for Sleep Number Select Comfort and REM Air System Pumps Hasslefree installation means you can enjoy a restful nights sleep sooner FROM THE TRUSTED MAKERS Proudly brought to you by REM AIR SYSTEM Silver Fish International LLC a trusted name in sleep product replacements Ensure you get the right fit by measuring your existing air chambers length width and height CUSTOMER SUCCES we love our customers and will alway be there to assist If you have any questions contact us directly We will be ready to help