Back PetsAmazonSureFlap DualScan Microchip Cat Door - Door Opening is 4 3/4" H x 5 5/8" WR 6 155.52Amazon ยท checked 13 days ago View at Amazon AverageR 6 155.52Lowest seenR 6 155.52Highest seenR 6 155.52Last changeR 0.00First indexed26 Oct 2026RetailerAmazonPrice history