We supply a wide range of beds and mattresses - please ask.. Casaflow Nova Alternating Replacement Mattress for the Disabled: The Casaflow Nova is an exceptional alternating replacement mattress that provides maximum comfort and flexibility for the client. The Microprocessor controlled pump has 10 levels of comfort range, with the ability to choose between different therapy modes. 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.