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  1. #1
    Join Date
    Jul 2005
    Posts
    5
    I just bought a home with a detached garage. It was used for a woodworking shop. It has a airhandler in the attic, with the return air filter frame flush with the ceiling. It is set up for 2" filters.
    I'm not using this as a woodshop, I'm welding and machining. I have a portable smoke/fume extractor, and a exhaust system in there, but the filters still get very dirty very quickly.
    Is there a filter system that is made for dirty environments, a washable that is available, any other things I should look at? Thanks.......Canusaah

  2. #2
    Join Date
    Nov 2004
    Location
    SW FL
    Posts
    6,295

    Thumbs up Pre-Filter

    Originally posted by canusaah
    I just bought a home with a detached garage. It was used for a woodworking shop. It has a airhandler in the attic, with the return air filter frame flush with the ceiling. It is set up for 2" filters.

    I have a portable smoke/fume extractor, and a exhaust system in there, but the filters still get very dirty very quickly.

    Is there a filter system that is made for dirty environments, a washable that is available, any other things I should look at?
    Use a low-efficiency media roll pre-filter.
    Interim or Long Term Solution ?

    For example,
    http://www.airguard.com/downloads/KA-250-C.PDF



    Designer Dan
    It's Not Rocket Science, But It is SCIENCE with "Some Art". ___ ___ K EEP I T S IMPLE & S INCERE

    Define the Building Envelope and Perform a Detailed Load Calc: It's ALL About Windows and Make-up Air Requirements. Know Your Equipment Capabilities

  3. #3
    Join Date
    Aug 2004
    Location
    North Richland Hills, Texas
    Posts
    14,914
    I saw a setup someone did with filter media on a roll. The roll of filter media mounted on one side of the return, and the media came off the roll and slid through a rack over the return opening. When the media over the return opening got dirty, you could pull it through so clean filter media was over the return, then just cut off and threw away the dirty media.
    If more government is the answer, then it's a really stupid question.

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