Disposable Vacuum Filters In-Line Barbed Vacuum Filters Miniature Quick Change Replacement In-Line Barbed Vacuum Filters. Small, Lightweight and Available with either 10 Micron or 25 Micron Filter Elements. Simply throw them away when used and replace with a new filter. These In-Line Barbed Vacuum Filters are inexpensive and small enough to be a disposable item. Maximum operating pressure of 0.41 MPa (60 psi) Weight is only 4 grams (0.14 ounce) Inner material: Porous polyethylene Outer material: Clear polypropylene ANVER Part No. Description Tube I.D. in. (mm) Recommended Polyurethane Tubing Part No. Notes 1/4″ Tubing PCT14 X-7439 Filter, 25 Micron 0.175 (4.44) PC-T14 Standard – Available from stock X-7438 Filter, 10 Micron 0.175 (4.44) PC-T14 Special – Only available in orders of 5,000 units or more.