![A1 screw-in filter (pk6) - p900 respiratory active-workwear](http://active-workwear.co.uk/cdn/shop/products/a1-screw-in-filter-pk6-p900-grey-respiratory-active-workwear-523_large.jpg?v=1658233285)
A1 Screw-In Filter (Pk6) - P900
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P900 is an A type class 1 gas filter and protects against organic gases and vapours where the boiling point is higher than 65°C. It can also be used to protect against substances and solvents. Equipped with special thread for pair use only it can be used on P410 Half Mask only.