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HEPA for 4 gal. vac

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  • HEPA for 4 gal. vac

    I have a Ridgid 4 gal. vac. (WD4070) that I use with a Thein seperator for dust collection, mostly with a ROS. Does anyone know if a HEPA filter is available for this vac? I've searched the web but can't find anything. Could I get additional filtering by installing a bag in the vac along with the canister filter? I do have an air cleaner plus a DC, but would like to get the dust at the sorce. Thanks.

  • #2
    Re: HEPA for 4 gal. vac

    If a HEPA filter is not listed as available for your Ridgid vacuum, the only thing you can do is to try to find a filter for another brand of vacuum that will fit. I found Cleanstream HEPA filters which fit both my Fein Turbo I vacuum and my old Makita shop vacuum. Craftsman and Shop-Vac both make 4-gallon shop vacuums. Will filters for these vacuums fit your vacuum? Shop-Vac makes a small HEPA Cleanstream filter (#9034100). Will it fit your vacuum? What are the exact dimensions of your filter (inside diameter, outside diameter and height) and how does it attach to the vacuum?