HygroMatik AC-04-01000 ManufacturerHygroMatikOrder numberAC-04-01000 Send inquiry O-Ringset CY17, DN40 Other spellings: AC0401000, AC 04 01000 Manufacturer information without guarantee. Trademarks and product names are the property of their respective manufacturers. IDA Kontakt GmbH is an independent distributor and sourcing partner.