Home Oxygen Concentrator from Drive DeVilbiss - 5 liter/minute capacity, only used for testing, with its water box still sealed in its bag. Portable Phlegm and Secretions Suction Machine Drive DeVilbiss Vacu-Aide 7325P-U, suction power 50-550 mmHg and flow up to 27 liters/minute. New, unused, with internal battery, carrying case, and accessories. Price is negotiable (open to offers).