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Blue seals of durable, flexible, high-grade polyurethane resin with attached safety line Foolproof 316 SS trip head for durability Kits include bottle, plastic carry case, 45-B10 messenger & 62-C15 line (100 ft.) Bottles only & bottles with cases available This is the bottle to use in mildly corrosive waters, in marine waters and in water with large amounts of suspended solids or adhesive colloidal solids. Larger bottles are especially good for collecting small plankton. The wide mouth collects a true water sample with no contamination from other water levels. During descent, the open mouth does not restrict water flow. This makes them particularly suitable for collecting plankton, floating sediments and for use where metallic ion avoidance is desirable. Your choice of transparent acrylic or more durable opaque PVC. This bottle is not suitable for series sampling. A thermometer can be mounted to acrylic Alphabottles. This sampler requires a messenger and line (not included, except in kits) for operation
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