are covered with a stainless steel screen that prevent sediments and organisms ... a messy job easier replaceable bottom screen is #30 stainless steel mesh 600 microns ... connectors top section includes nylon line ship wt sludge judge ® substrate ...
diameter cm net length cm mesh opening microns mouth diameter cm net length cm mesh ... opening microns environmental plankton nets pkn1 pkn2 ... sampling large cone-shaped net has 153-micron mesh net that measures 38 long with a ... plankton net is made from #10 mesh 153-micron nylon cloth minute plankton are ... mouth has a stainless steel ring with nylon tow lines attached through grommets ... for shallow water sampling lm007 153 microns 46.24 35.93/4 lm008 80 microns 52.72 ... models have permanently mounted screens of high-grade polyester plankton cloth ... models also include a rope handle a 53-micron screen is best for collecting rotifers ... and a 120-micron screen for artemia nauplii bbpc4 bbpc5 bbpc6 ... dia 12 dia 12 dia 12 dia 12 dia 25 microns 24.64 53 microns 23.32 125 microns 20. ...