Breakthrough Long Life Laser™ technology extends the average service life of the 4500’s laser, reducing operating and maintenance expenses. Backed by comprehensive Hach Ultra global service, the 4500 offers the reliability of the Met One brand.
![Click to enlarge image](javascript:imagezoom(515,375,"/var/hachultra/storage/images/media/images/met_one/met_one_4500_series/8261-2-eng-GB/met_one_4500_series_zoom.jpg"); "Click to enlarge image")
