The Niskin water sampler has top- and bottom plates held together with a sea water resistant rubber tube. Drop messenger releases the closing mechanism. The Niskin water sampler can be used as a single unit by mounting of a center hanger, in series (cascade) and closes correspondingly or mounted in rack (rosette).
- The water sampler is fully made of PVC and its interior is totally free from metal parts
- The Niskin water bottles are also available in a special version which can only be used with the rack system
- Different sizes from 1.7L to 12L