Fisher Model XL2020, 475 watt capacity with pulsing capability equipped with Model 208 ¾ standard tip solid horn
1992 Heat Systems Ultrasonics, Inc., Model W-385B Sonicator, 475 watt capacity with pulsing capability equipped with Model 208 ¾ standard tip solid horn
Branson Ultrasonics, Inc., Model W-385B Sonicator, 475 watt capacity with pulsing capability equipped with Model 208 ¾ solid horn
Heat Systems Ultrasonics, Inc., Model W-185 Sonicator, 350 watt capacity equipped with Model 208 ¾ standard tip solid horn