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10 & 15 feet) for a variety of water depths
Butyl and phosphate-free formula
or Tablet Needed
messenger-operated sampler designed for collecting discrete water samples at specific depths in lakes
Hanna D.O. Screw-cap Membranes, Pkg of 5 Brushes 10 & 15 feet) forProduct Code: HI76409A P The HI76409A P are spare dissolved oxygen screw cap membranes designed especially for Hannas portable galvanic dissolved oxygen probes and sensors. The caps are constructed of durable ABS plastic with high density polyethylene (HDPE) oxygen permeable membranes. Each cap is easily filled with electrolyte and installed on the probe. Package of 5 caps. Screw Cap Design Pre tensioned Membranes Package of 5