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    Home / Residential / Waterfurnace Geothermal 30x31.5 x 4 MERV 8 Koch Air Filter (12PK)
    Waterfurnace Geothermal 30x31.5 x 4 MERV 8 Koch Air Filter (12PK)

    Waterfurnace Geothermal 30x31.5 x 4 MERV 8 Koch Air Filter (12PK)

    Manufactured by Koch P44303112 aka P8S4-300-314 and is considered by WaterFurnace to be a suitable replacement MERV 8 air filter. 

    This package ships with 12 filters.

    Allow 4 to 6 weeks ARO for delivery as these are Custom ordered! These filters are non-returnable.

    Waterfurnace Geothermal

    $737.58

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    You have the best prices and you are local so I can pick up my order to save on shipping costs. Your staff are always very helpful and nice when I pick up my order.

    Pat - Carlisle, PA

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    We love your company! We have been dealing with your company for several years for replacement part for our UV system. However we still compare prices with other online companies for the best deal and consistently you all win out.

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    Customer Testimonials

    This is the second time I have ordered my filters through this website. Very easy to do, brought my account right up. Excellent service, very realistic prices. That hasn't changed since last time I purchased. That is a great big Plus! Thank you so much, will be back!

    Sherry M. - Longview, TX