Attributes . 1000-TH-I/HD/PT, 1000-TH-I/STD, 1000-TH-I/STD/D, 500-E, 500-PH/GD, 500-TH-II/D-ELECTRIC, 750-CTUS, 750-TH-II, 750-TH-II/D-ELECTRIC, AS-250, CH-75/DM, Mfr. No. 1000-TH-I/HD . Names