We supply a wide range of beds and mattresses - please ask.. Casaflow Classic Alternating Overlay Mattress for the Disabled: The Casaflow Classic is an alternating Overlay mattress, with a quiet, vibration free pump. The Casaflow Classic will assist in the prevention and treatment of pressure ulcers, and can be used in conjunction with one of our new foam mattresses from the Casaflex range. Please contact your local shop or call us on 01908 644133 for a quotation for this product. You can use the ‘request quote’ button to send an email. We look forward to hearing from you.