Hanna Instruments Spare Dissolved Oxygen Screw Cap Membranes - HI76407A/P temperature probe Dimensions: 15

Dimensions: 15

Premium Coconut Shell GAC: Highest-grade acid-washed coconut shell activated carbon — not the cheaper bituminous (coal-based) carbon used by competing brands

8 oz with battery

Sediment — sand

Hanna Instruments Spare Dissolved Oxygen Screw Cap Membranes - HI76407A/P temperature probe Dimensions: 15The HI76407A P are spare dissolved oxygen screwcap membranes designed especially for Hanna's portable polarographic dissolved oxygen probes. The caps are constructed of durable ABS plastic with polytetrafluoroethylene (PTFE) oxygen permeable membranes. Each cap is easily filled with electrolyte and installed on the probe. Screw Cap Design PTFE Membranes Easily Fillable The HI76407A P are spare dissolved oxygen screw cap membranes designed especially