Rite-in-the-Rain - #550F Bound Book, Environmental Pattern Digital Thermometer Bottom drain valve allows water 391FX and 100 FNU Turbidity Select a Size:70429-XXL-Y XX-Large, Yellow Bottom Grabs

Bottom drain valve allows water to be released gradually until the target becomes visible

The pistol-grip trigger switch is easy to operate even when you’re wearing gloves and can be locked to prevent accidental illumination and battery drain

Each package contains 100 waterproof white vinyl label sheets measuring 8

the notebook contains 50 waterproof sheets (100 pages) with a Field Pattern layout for recording observations

User replaceable

Rite in the Rain #550F Bound Book, Environmental Pattern Digital Thermometer Bottom drain valve allows water 391FX and 100 FNU Turbidity Select a Size:70429 XXL Y XX Large, Yellow Bottom Grabs Bottom drain valve allows water to be released gradually until the target becomes visible The pistol grip trigger switch is easy to operate even when you’re wearing gloves and can be locked to prevent accidental illumination and battery drain