RTD28 Hole size: 3.7 - 6 in | 95 - 152 mm Power: 385 - 416 hp | 287 - 309 kW Air volume: 727 CFM | 20,6 m3/min RTD28 Articulated boom
RTD32 Hole size: 4.7 - 8 in | 120 - 200 mm Power: 540 - 550 hp | 403 - 410 kW Air volume: 1,003 CFM | 28,4 m3/min RTD32 Articulated boom
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