vane vacuum pumps valued over $500 each. Sec. 5112. Vacuum diffusion pumps valued over $900 each. Sec. 5113. Hand- or foot-operated air pumps. Sec. 5114. Roof vent fans. Sec. 5115. 12-Amp corded electric leaf blowers. Sec. 5116. Cordless battery powered leaf blowers not exceeding 20 volts. Sec. 5117. Cordless battery powered leaf blowers between 20 and 60 V. Sec. 5118. Fan assemblies for cab climate systems. Sec. 5119. Aquarium air pumps. Sec. 5120. Heat pumps for residential use. Sec. 5121. Heat pumps (outdoor units) for split air conditioner systems. Sec. 5122. High-wall indoor units. Sec. 5123. Single-zone outdoor units. Sec. 5124. Mini heat pumps for split air conditioner systems. Sec. 5125. Multi-zone outdoor unit ductless systems. Sec. 5126. Indoor units of split air conditioner systems. Sec. 5127. Ductless 18000 BTU heat pumps, single zone inverter. Sec. 5128. Single-phase heat pump. Sec. 5129. Steel vacuum pitchers with plastic hinged lid. Sec. 5130. Oil filters. Sec. 5131. Battery powered nasal irrigators. Sec. 5132. Struts to absorb vibration. Sec. 5133. Table saws (25.4 cm.), operable corded and cordless. Sec. 5134. Sliding miter saws (25.4 cm) with laser, corded and cordless. Sec. 5135. Electromechanical rotary hammers, corded and cordless. Sec. 5136. Electromechanical hammer impact drivers, corded and cordless. Sec. 5137. Rotary hammer drill tools with self-contained electric motor. Sec. 5138. Drill driver tools with self-contained electric motor. Sec. 5139. Extruders. Sec. 5140. Three-dimensional drawing pens. Sec. 5141. Professional grade three-dimensional drawing pens. Sec. 5142. Electric multi-functional blower vacuums. Sec. 5143. Autosamplers (multisamplers) for liquid chromatographs. Sec. 5144. Autosamplers (vialsamplers) for liquid chromatographs. Sec. 5145. Hydraulic hammer assembly. Sec. 5146. Segmented bladder-operated molds, with more than 25-inch rim diameter. Sec. 5147. Used valves for directional control. Sec. 5148. Keg spears with pressure release valves. Sec. 5149. Multiport