Four-Stage SPX Hankison HF 20 Series Filter Package with HDF3

Nuvair stocks low pressure breathing air filtration packages (housings and filters) commonly used in commercial diving. Whether you are looking for individual filters or multi-stage filtration packages, Nuvair has your solution in stock. Order individual components online or contact us to put together a package for your specific needs. Systems have a maximum operating pressure of 200 psi (14 bar).


The low pressure SPX Hankison HF 20 series filter package includes four-stage filtration for up to 35 CFM (991 L/min) compressors with a #10 SAE inlet fitting, on/off ball valve and a #10 SAE fitting for a diver's hose. It is recommended for the Quincy 325 and Champion R15 pumps. The included HDF3 desiccant air dryer generates a flow capacity of 29 SCFM @ 150 psi. The dryer can also be used with carbon for odor/gas removal and/or hopcolite catalyst for converting CO to CO2. This assembly does not include the desiccant blend to fill the HDF filter. Multiple options as well as an aluminum frame are available for an additional cost.

Nuvair is an authorized Hankison distributor. We sell only OEM parts. Do not be fooled by cheap aftermarket copies of original parts and equipment. Items labeled “replacement” or “alternative” are not manufactured by Hankison.