Hello John
Go to your local auto parts store, it is a standard after market filter.
Pull the filter and take it in with you.
I get the same filter; as a VW fuel filter from local generic auto part stores (Fuel filter Purolator# F21124).
Total cost; under $3.00 USD.

It is used as a vacuum system filter, just read a post on it yesterday, can not recall the issue that damaged the filter.

__________________
ASE Master Mechanic
asemastermechanic@juno.com

Prototype R&D/testing:
Thermal & Aerodynamic System Engineering (TASE) Senior vehicle instrumentation technician.
Noise Vibration and Harshness (NVH).
Dynamometer.
Heat exchanger durability.
HV-A/C Climate Control.
Vehicle build.
Fleet Durability
Technical Quality Auditor.
Automotive Technical Writer

1985 300SD
1983 300D
1984 190D
2003 Volvo V70
2002 Honda Civic

https://www.boldegoist.com/