Check the listing for details. AD9 Type Air Dryer 12V. Condition: New. Listed at 215.00 USD. Complete AD9 Type Air Dryer Assembly12V-75W1st Generation End Cover NotesService ComponentsDesiccant Cartridge Kit - 170.107796Replacement Check Valve, 3/4in Port - 170.107799Replacement Check Valve, 1/2in Port - 170.107800Maintenance Kit - 170.107798Replacement Purge Valve - 170.5004341Heater & Thermostat Kit - 170.109578Wire Harness - 170.109869Mounting Bracket Kit - 170.107695