The Gudel 900721 is a guedul 900042 size 20 VEE v roller FR 20 a and lubricator wiper cover. It filters, lubricates, or regulates the pressure of air or fluid supplied to pneumatic or hydraulic equipment. Key specifications noted on this listing include 20 A. It is commonly used in pneumatic FRL (filter-regulator-lubricator) assemblies and compressed air systems.
