Save Phace Replacement Clear Thermal Lens



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Replacement Lens for Save Phace Tactical Masks.Thermal lenses are like a dual pane window. Since the best insulator
is air, a dual pane window has two lenses that are attached to each
other with a foam or silicon gasket to help prevent fogging. Thermal
Lenses do a very god job of this, especially in extremely cold weather
or very humid conditions.