https://www.premierwelding.com/cleanspace-2-pre-filters-large 4151 CleanSpace2 (large case) Pre Filters https://www.premierwelding.com/media/catalog/product/p/a/paf-0057-cleanspace-particulate-pre-filter-large-case-filters-pk-20.jpg 25.22 GBP InStock /Brands/Cleanspace /Safety & PPE/Masks/Masks and filters # <p><span>CleanSpace Particulate Pre-­Filter (Large Case Filters) </span></p> <p><span>Pack of 20</span></p> 25.2200 CleanSpace2 add-to-cart GBP GBP