The DuraMax™ Foundation: This sturdy, strong, easy to assemble – no tools required design will provide the security and support you have come to trust with a heavy-duty slat foundation that will provide maximum support for all mattress types, including digital air mattresses, all levels of fluid softside mattresses, innerspring, memory foam and beyond! (A 9 point bed frame is required for water). This foundation works well with VersaLegs (bedlegs), metal bed frames and platform frames. Shipper friendly and proud to be made in USA.