Technical Info

• Cartridge Filter Design

Learn about trends in pleated cartridge filters, and see why the Farr Hemi Pleat is the best design


• CFM Requirements Sheet

Add up your total CFM air requirements with this easy to use work sheet


• Hood Design

Basic hood design principles


• Using a Slip Joint

Instructions on cutting clamp together pipe and installing slip joints


• Duct Air Volume and Speed Chart

This chart shows how much air(cfm) a pipe needs at a certain diameter to maintain a given velocity


• Dust Collection Considerations

A good reference article when choosing a dust collection system