Brand: Paragon Pro
This 4" OD round screen is specifically made to fit the inlet side of the Paragon 4" OD 240 CFM inline blower (sold separately).
It is intended to keep large debris out of the blower, but it also provides support for the Paragon Blower Inlet Air Filter, Part No. PGN-05-45000 (sold separately).
The filter and screen are held in place by the Paragon Blower Inlet Fitler Housing, Part No. PGN-43-45000 (sold separately).