Home / Exhaust Filters / Intake Filters / Cold Traps / Leybold Filters Leybold Filters Sort By Position Product Name Price Manufacturer Type Level of Vacuum CFM / L/M (Displacement) Showing all 2 results EXHAUST FILTER NW16 for up to 4.5 CFM Leybold , Alcatel, Welch, Edwards , etc. 33.66025.01 $175.00 Add to cart EXHAUST FILTER NW40 for up to 55 CFM Leybold, Edwards, Welch, Alcatel, etc. 33.66029.01 $503.00 Add to cart