designed for use in aquarium tanks having a volume of 3.78 liters or more but not over 1,135.7 liters, such pumps with housings of plastics and feet of rubber, powered by 120 V AC (provided for in subheading 8414.80.90) Free No change No change On or before 12/31/2025 . 12006. Heat pumps for residential use Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.30.27 Heat pumps designed for residential use, each with copper piping, an aluminum plate-fin heat exchanger, a rotary inverter compressor and a fan covered with galvanized steel sheets, such pumps measuring between 555 mm and 702 mm in height, between 770 mm and 845 mm in width and between 300 mm and 363 mm in depth (provided for in subheading 8415.90.80) Free No change No change On or before 12/31/2025 . 12007. Heat pumps (outdoor units) for split air conditioner systems Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.30.28 Heat pumps (outdoor units) designed for use with split air conditioner systems for residential use, such units consisting of copper piping, an aluminum plate-fin heat exchanger, a rotary inverter compressor and a fan, all of which is covered with galvanized steel sheets to form units measuring between 703 mm and 810 mm in height, between 845 mm and 946 mm in width and between 335 mm and 386 mm in depth (provided for in subheading 8415.90.80) Free No change No change On or before 12/31/2025 . 12008. High-wall indoor units Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.30.29 Heat pumps designed for residential use, consisting of a fan coil, electrical circuit boards, electrical components and motors, covered in a molded plastic casing, such heat pumps measuring between 280 mm and 343 mm in height, between 835 mm and 1,186 mm in width and between 198 mm and 258 mm in depth (provided for in subheading 8415.90.80) Free No change No change On or before 12/31/2025 . 12009.