Fernox TF1 Total & TF1 Compact Lid Spanner. Lid Spanner for Fernox TF1 Total & TF1 Compact Magnetic Filters. ✅ Custom-Designed Lid Removal Spanner for Fernox TF1 Filters. Effortlessly remove and tighten your Fernox TF1 Total and Compact filters with this 3D printed spanner, designed for a perfect fit and durability.
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