Lowest profile high performance reversibles on the market.  Sealed motors tested in accordance with DIN EN 60529, dust and water proof to IP68.  Quiet, reversible S-blade design-works as a puller or a pusher fan.  All glass-filled nylon construction.  Includes four (4) 90 degree mounting feet (all) and nylon tie kit (all 130 watts motors).  Now includes locking mating pigtail connector and rubber spacers for proper spacing off of heat exchanger.