Replacement particulate pre-filter for 3M adflo powered air purifying respirator (PAPR). Installs into the adflo turbo filter cover, between the spark arrestor and the high efficiency particulate filter.
The adflo pre-filters considerable extend the life of your main adflo particle filter and its recommended to be used in the adflo powered air respirator systems at all times.
The pre-filters should be inspected on a daily basis and changed if contaminated with dust, this will help to extend running times on a full battery charge.
3M part number 836010