Dansereau has been manufacturing the Precision line of vacuum pumps for over 25 years. They use the highest quality Naval Brass and Machine the Brass Housing internally at Dansereau, giving Dansereau an excellent reputation of value and reliability. The 2 HP Dual Vacuum Systems are installed on a mounting plate for easy installation. They are available in 240v and have internal low voltage switching, also included is a complete installation kit. 4 - 7 Operatories / 2 -3 users.