Air dryer maintenance kit number NGFDK4-12-1, material number 7438211 is used with Hankison dryer model(s) HHX/HHE 450. This factory "basic package" is used on a 4-year interval and includes a complete valve rebuild kit. Product photos are for reference and may not show the specific kit contents.
OEM parts purchased from Moisture Boss carry the manufacturer's warranty.
