PLUG AND PLAY: Sleep Number and Select Comfort Mattress Air Chamber Hose designed to fit the common 3/8" ID valve or hose, featuring both female and male connectors for seamless setup. This type of air chamber was made to fit within the common 4" foam rail encasement mattress. HEAVY DUTY & MORE DURABLE: Experience pressure-reduced sleep with the original Euro design of our Income Air Chamber, providing a full 6" of air suspension. Vulcanized construction eliminates seams for long-lasting durability. ECO-FRIENDLY: Crafted from high-quality natural materials like cotton and natural latex, offering a soft touch and promoting healthy sleep habits. Sleep soundly knowing it's good for you and the environment. EASY SETUP: Effortlessly set up for Sleep Number, Select Comfort, and REM Air System Pumps. Hassle-free installation means you can enjoy a restful night's 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 chamber's length, width, and height. HOSE LOCATION at Head of Bed – Also Compatible with Side-Hose Beds Using Included Connectors: The REM Air Chamber includes a 5-foot hose positioned at the head of the bed. For Sleep Number or other air beds with a side-mounted hose, use the included male-to-female connector to join your existing hose to the REM Air Chamber hose. Depending on your current hose length, this can extend the reach to run from the head of the bed along the side to your pump location. For side-hose setups, measure from the head of your air chamber to the pump location to ensure the combined hose length is sufficient. If additional length is needed, extra hoses are available separately. PLUG AND PLAY: Sleep Number and Select Comfort Mattress compatible Air Chamber Hose designed to fit the common 3/8" ID Comes with both, (1) female connector and (1) male connector to immediately hook up to your 3/8" valve or hose. HEAVY-DUTY MORE DURABLE: original Euro design of the Income Air Chamber provides a full 6" of air suspension for pressure-reduced sleep. The vulcanized process virtually eliminates all seams. The material flows together & becomes a one-piece construction. ECO-FRIENDLY: Made with high-quality natural products that are sleep-friendly such as cotton and natural latex which is soft to the touch and promotes healthy sleep habits. Weight capacity 400 lbs. per chamber. EASY SETUP: made for easy set up for your Sleep Number, Select Comfort, and REM Air System Pumps FROM THE MAKERS OF THE REM AIR SYSTEM (Silver Fish, LLC) THE ORIGINAL AND TRUSTED NAME IN SLEEP PRODUCT REPLACEMENTS. ***Take note that the Eastern King Dual size is slightly different from that of the TWIN-XL size. 2 TWIN -XL sizes put together do not make the correct size for the Eastern King Dual size. ***Does NOT come with air chamber zippers that enable chambers to zip together. ***These air chambers were measured and made to fit within the common 4" foam rail mattress encasements. We will always take care of our customers. Thus, if you are missing any pieces or if you feel you product is not working correctly please contact us directly. We will be quick to reply and ensure we get you a fast solution.