Oxygen Tank Holder Pill Aids 4 mm LCD Wheels: (2) Procedure Mask Ultra Pleated 4 mm LCD Wheels: (2) Wheels for ease of movement Power Source: 100 240V adapter (ADPT30) included 6 AA batteries (not included) Seat Size: 18 ¨ (w) x 15 (d) x 17 ´ (h) 464mm (w) x 381mm (d) x 445mm (h) Innovative leg design for superior stability * Easy grip support handle * 400 pound weight capacity * Spacious seat with rounded end for easy transfer * Ergonomic back design * Anti slip rubber feet * Seat size 25 w x 18 d * Adjustable height (16 Lightweight * Easy to attach * Easy to lift * Provides a safe convenient and economical way to carry oxygen cylinders * Size D and E tanks fit into this holder with minimum lifting and positioning * Attaches to the handles and frame of the wheelchair and positions the tank off center to avoid contact with the user's head or back * Made of heavy duty waterproof nylon * The top of the holder has adjustable straps that can adjust up to 3 * Length of the holder is 32 * Bottom straps do not adjust * Width is 18