One curved stem about 5 ft. long.
One extension tube 5 ft. long.
At least one hat brush with the system.
58 to 64. Same as for Class 1.
64a. All brushes to be of substantial construction, with best quality bristles set in close rows and as thick as possible, skirted with rubber, leather, or chamois skin, so that all air entering renovator will pass over surface being cleaned.
65 to 68. Same as for Class 1.
69. Hose Racks. Furnish and properly secure in place, where directed, .... hose racks in basement, .... each in first and second stories (.... racks in all). The racks to be constructed of cast iron, galvanized or enamel finish, and each rack to be suitable for holding 75 ft. of hose of required size.
69a. Hose. There must be furnished with each hose rack 75 ft. of noncollapsible hose in three 25-ft. lengths.
70 to 73. Same as for Class 1.
74. On completion of the plant the pump will be operated with all outlets closed, and, under this condition, the power consumption must not be more than 50% of that required under test conditions.