1 Arm-Evac 50 Optional Cleanroom Filter Cartridge Recommended for applications in a clean room environments or where the highest level of filtration efficiency is required. 99.99% Filter Efficiency Rating (EU 13) Arm-Evac 50 Optional Cleanroom Filter Cartridge P/N 8883-0290-P1 Price $79.00 Quantity Add to cart Find a Distributor Inquiry Overview Works With Compatible Products Works With