WaterMark 77966 [77966] Simple Plankton Net, 80 µ, L30 x 90cm Each net comes complete with heavy-duty Nitex® nylon net, a stainless steel ring and bridle, and PVC cod end assembly. The high efficiency cod end is a two-piece design with stainless steel fasteners. The lower collection cup is lined with Nitex® mesh where the entire sample is concentrated and easily removed. Made in the U.S.A. Note: Other mesh sizes are available. Call for details.