Solinst Model 408 SS Double Valve Pump 5/8" x 1' Survey All UV lamps have three

All UV lamps have three important distinctions

STS or LevelSender

lighter design for increased ease of use in the field

Midlight or Spotlight

standard electrical motor power leads

Solinst Model 408 SS Double Valve Pump 5/8" x 1' Survey All UV lamps have threeThe Micro Double Valve Pump (Micro DVP) has a remarkably small and flexible design. It is a pneumatic pump similar to a Bladder Pump, but using coaxial FEP tubing, rather than an FEP bladder to give high quality samples. It is small enough to fit in 3 4'' (19. 05 mm) tubing and all channels of the Solinst Model 403 CMT Systems, as its diameter is only 5 8'' (14. 875 mm). The unique combination of flexibility and size makes the pump easy to transport