Night air 220 Nimbus Queen air mattress sleep system with two individual air chambers with 3 foam topper and adjustable firmness. Boyd Specialty Night Air 220 Nimbus 2-Chamber Air Bed With dual chamber air support, a whisper-quiet computerized compressor, and surface modified technology foam , this air mattress provides the perfect formula for a pleasant sleep,night after night. Plush Micro-Fiber Cover. Continuous quilt micro-fiber cover is durable, breathable and incredibly soft. Removable dry cleanable cover. Completely zip off the cover for easy access to mattress and/or dry-cleaning. Ensures you always have a clean, hygienic sleep environment. Support tray 6.5'' profile, high density foam perimeter support prevents edge sag and makes getting in and out of bed easier. Tri-Zone foam comfort layer 3'' of high-resilience anti-microbial foam provides increased support in the center third of the mattress where you need it most. Personalized adjustable firmness. Dual heavy duty vulcanized rubber air chamber design allows for personalized, adjustable firmness for both sides of the bed. Vinyl safety liner. This friction-free surface improves mattress durability and prevents moisture transfer to foam support tray. 20 year warranty. 2 year full, 18 year prorated reflects premium quality and workmanship. Easy to use controls. Two ergonomically designed hand-held controls provide instant adjustability with firmness levels reflected in LED displays. Assembly of the sleep system is required.