Boston Simplus® Contact Lens Solution, 1 Each #N A Spirometer * Indicator registers forced Commode Shower Chair Accessori Spirometer * Indicator registers forced vital lung capacity up to 7 liters * Needle stays at maximum until reset * Weight: 6 ounces * Can be used as an incentive exerciser * * SPECIFICATIONS: Seat Width: 22 Seat Depth: 18 Seat to Floor Height1: Adult 21 Back Height: 16 Back Style: Fixed Overall Width w Arms: 30 Overall Depth: 33 Weight Capacity: 450 lbs This dual disinfection system destroys micro organisms Boston Simplus removes dirt and deposits from gas permeable contact lenses and hard contact lenses without a separate daily cleaner