Inogen One G4 Replacement Column Pair | for Portable Oxygen Concentrator G4 | Sieve Beds High Flow (Flow Setting 1-3) Oxygen Accessories


✔️ Compatible with Inogen One G4.✔️ Two Sieve Beds in Each Order.✔️ Converts Normal Air to Medical Grade Oxygen.✔️ 2" Wide x 2" Long x 5" High & weighs 10 ounces each.✔️ No tools are required for replacement



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