Dust Extraction Filters 180mm Diameter x 2200mm Long A Dust Extraction Filter Sock that is 180mm diameter and 2200 mm long with a double spring cuff one end and a cap-end with an 8mm hole the other. The double spring cuff pops into the tray at the bottom of your Extraction Unit and the cap end is attached to a filter rack in the roof of your extraction unit. These size filters are used in our own Fine Dust Filter Units. Specification
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