DetailsIdeally, filters should be inspected monthly and given a light vacuum to remove dirt and debris. Filters will eventually become blocked with residual debris and should then be replaced. Generally, blocking will occur every 6 - 12 months depending on the location (near busy roads or inner city areas tend block more quickly than remote country settings).
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SKU 400100014 Brand Zehnder Delivery Next Day Guarantee 1 Year
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