All MasterCool 3 bottom-mounts can be combined with each other to maximize storage capacity. The appliances can be combined with each other using a side by side kit. The side by side kits of the new MasterCool generation no longer have a built-in heater element. this is already integrated in the side wall of the appliances. | Miele | | KSK 3003 Side-by-Side kits, for 36" or 42" Refrigerator models KFMC 3xxx MasterCool III | Stainless Steel | Best Buy