Split Filter Tube, Stainless Steel, Packed with Charcoal, 3.5 inch, for Tube-Based Systems

Split filter tube, stainless steel, 3 1/2 “, packed with charcoal (e3 systems). Split tubes can be used multiple times, but should be routinely replaced – Markes recommends at least every 12 months. Split filter tubes should never be desorbed.