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THE LONGO FILTER GUARANTEE

  • All Filters Made in USA

    We manufacture our own filters which means faster turnaround and better savings for you!

  • Always Top Quality

    All of our filters are manufactured with double sided grids which increases durability and will prevent them from being pulled into your return.

  • Money Back Guarantee

    Although we're sure you'll love out filters, if you're unhappy we will refund your purchase. No questions asked.

  • When Should I Change my Air Filters?

    When Should I Change my Air Filters?

    DETERMINING YOUR ENVIRONMENT How often to change your air filters can depend on the following: the type of air filter you are using the overall indoor air quality how many...

    When Should I Change my Air Filters?

    DETERMINING YOUR ENVIRONMENT How often to change your air filters can depend on the following: the type of air filter you are using the overall indoor air quality how many...

  • Actual Vs Normal Size

    Actual Vs Normal Size

    When looking to replace your air filter, there are typically two different sizes you need to understand, actual size and nominal size. ACTUAL SIZE The Actual Size consists of the true dimensions of...

    Actual Vs Normal Size

    When looking to replace your air filter, there are typically two different sizes you need to understand, actual size and nominal size. ACTUAL SIZE The Actual Size consists of the true dimensions of...

  • When should I change my air filters?

    When should I change my air filters?

    With the constantly rising cost of energy, we all try to save energy in any way we can. Since heating and cooling make up about 50% of our energy bills....

    When should I change my air filters?

    With the constantly rising cost of energy, we all try to save energy in any way we can. Since heating and cooling make up about 50% of our energy bills....

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