Marina Standing Thermometer - Celsius and Fahrenheit, designed to sink to the bottom of the aquarium and remain in a vertical position, Centigrade, Has a safety zone temperature range indicator for most tropical fi
Adtemp* GPK 30 - 40 Second Digital Thermometer Kit, Reads in as little as 30 seconds (typical response time 30-40 seconds), Replaceable 1.55v (LR41) type battery provides up to 4,500 measurements, Scabbard carry case keeps instrument sanitary
Compact Food Safety Thermometer, offers both surface and internal temperature readings in one portable convenient unit, With IR, Comes complete with clear instructions and 2 x AAA batteries, Dimensions: 140 X 38 X19 mm, Probe Dimensions: 3in, Weight: 4 oz