FeaturesBacteriostatically treated, anti-fungal, anti-static top fabric is fire-resistant, fluid-proof, tear-resistant, cleanable and replaceable and has ultra-low moisture vapor transmission (mvt) rate Pleated design of top fabric allows full integration with the mattress's geo-matt style shear-relieving surface while minimizing hammocking Geo-matt style foam topper is a high density, medical grade foam Integrated side flap with velcro closure allows easy access to quick-connect ports Other standard features include the exclusive heel slope taper and two-part safety-edge bolster system for added stability when sitting or transferring These cylinders perform the alternating pressure therapy, Cylinders inflate and deflate in a fixed 10-minute cycle Comfort Dial on the Control Unit changes pressures inside the cylinders within a small but perceptible range FireGuard version conforms to 1997 NFPA 101 (Life Safety Code) and Cal 129 SpecificationsManufacturer: Span America Application: Alternating Pressure Mattress Dimensions: 7 X 35 X 80 Inch Material: Air / Foam Prop 65: No Type: Foam UNSPSC Code: 42191810 Weight Capacity: 350 lbs. 1 Each / Each