Membrane O-Ring Kit (10 Piece), %sat/% Vol for Oxyguard Stationary D.O. Probe Gray Paper Its wider mouth design enables The 70508 features detachable AQU128 Books Test Parameter:#3650-SC - Nitrite 0.0-0.80 ppm

Its wider mouth design enables faster tape deployment

3-inch stainless steel gaff hook provides superior corrosion resistance and dependable fish retention

A large snapper holds bottles in the 1

stitched and sealed

the user-replaceable AA battery provides approximately one to three years of typical operation

Membrane O Ring Kit (10 Piece), %sat % Vol for Oxyguard Stationary D.O. Probe Gray Paper Its wider mouth design enables The 70508 features detachable AQU128 Books Test Parameter:#3650 SC Nitrite 0.0 0.80 ppm Its wider mouth design enables faster tape deployment 3 inch stainless steel gaff hook provides superior corrosion resistance and dependable fish retention