Prima Adjustable Bed Mattress: A premium quality 4-way turn mattress for high dependency clients. Waterlow Score of 25. This mattress has layered foams to increase comfort and reduce interface pressure.The dense foam core ensure increased lifetime of the mattress. Prima Adjustable Bed Mattress Weight Guide: 157-213kg. 4 year warranty Please contact your local shop or call us on 01908 644133 for a quotation for this product. We look forward to hearing from you.