Cat Door, Safety Pet Door with 4 Way Lock, Weatherproof & Easy Installation Cat Flap Door for Interior Exterior Door, Window, Wall (L). 4 WAY SWITCH MODE The pet door could be adjusted by the Red and Green switches with tabs to 4 modes: out only, in only, both in and out, and fully locked, easy control of your pet's in and out. 23.5 x 25 cm
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