I was shopping for a paper air filter element to install in my oil bath air cleaners and came across this Wix catalog. http://www.wixfilters.com/lookup/FilterBySize.aspx

It groups the filters by type, then by hight, in 1" increments. Best of all it lists the CFM for most of the filters. So now I get a filter the correct size and cfm.

#42157 and #46184 look promising.

Joe

1937 Chevrolet Inline-powered Streetrod