Hale Pet Door for Walls - Small Aluminum Single Flap

No need to frame out the hole, pet door comes with the aluminum tunnel. Flap Size: Small 5 1/2" x 7 1/2" Features:Fits all walls 1/2" to 10" thick. (Special order to 16")CARPETED TUNNEL: Includes beige, 100% nylon carpet, attaches to sides and bottom of tunnel. (EASY TO CLEAN)FRAME: Extruded heavy aluminum frameSELF FRAMING: No need to frame out the hole, pet door comes with the aluminum tunnel. Fits all walls 1/2" to 10" thick. (Special order to 16")ENERGY EFFICIENT: Fully weather-stripped flaps (pile weather-stripping) Strong Alnico magnets Optional double flap creates insulated pet door with dead air space between flaps.AVAILABLE IN FOUR COLORS:SECURITY: GE LEXAN security cover. (guaranteed unbreakable. 3/16" thick, comes in a dark gray tint. Dead Bolt Lock (Secures security panel into place). LOCK: Secures security cover in place Positive action - spring loaded heavy duty pin lock (Required drill bits are included)