Hayden Cartridge Filter #818744WSH
This large area filter cartridge is designed to provide good filtration while enabling high rates of air flow on the Hayden SuperVac power units. The fanfold design provides an extra large filter surface so resistance to air flow is minimized.
View Larger Image
Archived Retired Product - Not Available for Sale
https://www.ristenbatt.com/xcart/Generic-Central-Mobile-Page.html