[Compatible models] H-5039 Quick Eco 3-layer bottom switchable pressure cooker 2.5L H-5040 Quick Eco 3-layer bottom switchable pressure cooker 3.5L H-5041 Quick Eco 3-layer bottom switchable pressure cooker 4.5L H-5042 Quick Eco 3-layer bottom pressure pot 5.5L HB-5135 Quick Eco The bottom is switchable. Hand Pressure Cooker 4.5L HB-5136 Quick Eco 3-Layer Bottom Switchable Two-Handed Pressure Cooker 5.5L H-437, H-438, H-439, H-440, H-447, H-448, H-449, H-450, H-458, H-460, H-463, H-46475 H-1181 , H-1186, H-1321, H-1322, H-1323, H-1324, H-1634, H-1731, H-1732, H-1873, H-1903, H-1923, H-2051, H-2052, H-3551, H-352, H-352. 3, H-35 54, H-4791, H-4792, H-4793, H-4794, H-5124, H-5126, H-5134, H-5139, H-5141, H-5142, H-5143, H-5144, H-5145, H-5434 436, H-5437, H-9587, H-9637, H-9687 HA-4571, HA-4572, HB-369, HB-370, HB-406, HB-407, HB-1267, HB-1268, HB-1286, HB-1287, HB-128, HB-128, HB-128, HB-128, HB-128, HB-128, HB-128 89, HB-1 861, HB-1862, HB-2036, HB-2037, HB-2038, HB-2055, HB-2056, HB-2057, HB-2788, HB-2789, HB-5200, HB-5201, HB-7309, HB-7310, HB-7310, HB-7310, HB-7310, HB-7310, HB-7310, HB-7310, HB-7310, HB-7310, HB-7310, HB-7310, HB-731111, HB-7311, HB-731, HB-7311, HB-77877, H B-8576, HB-8577