Miniature Series 3013 comprises 6 models with maximum airflow of 1.3 mL/min, pressure of 6.5 psi, and vacuum of 11.8 in. Hg. It offers quiet operation and ability to restart under pressure or vacuum. Permanent magnet or brushless dc motors are offered with 3, 4.5, or 12 V rating. Polycarbonate pump head and EPDM diaphragm and seals are corrosion resistant.