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Under $20 Pet Thermometers

Shop the best prices on 1,458 great value under $20 pet thermometers. Shopping for pet thermometers is easy with Fruugo, with SALE discounts, offers and savings on Ydcy, Shanghai Yangxin, Aura and more. Buy pet thermometers online safely with Fruugo, with secure payment and fast shipping to New Zealand.

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1 - 32 of 1,458
20ML Pet Ear Drop Removes Ear Mites Improves Hearing Easy to Use for Cat Dog Pet Supplies_Lucky_B
$17.95 Save $7.00 RRP: $24.95
Outdoor Replacement Sensor for Weather Station - Wireless Sensor Probe Temperature Monitor
$19.95 Save $54.05 RRP: $74.00
Reptile Thermometer Hygrometer with Suction Cup Digital Temperature Humidity Meter for Terrarium Reptile Accessories
$19.95 Save $6.00 RRP: $25.95
2025 New Weather Station Accessories, Wireless Sensor Probe Temperature Monitor Outdoor Replacement Sensor
$5.95 Save $12.00 RRP: $17.95
Mini Aquarium Heater | Thermostat 10w Usb Rechargeable Rod For Heating | Space Saving Heating Tool For Aquarium And Small Aquariums
$5.95 Save $6.00 RRP: $11.95
Pet Ear Care Drops, Gentle Formula for Cats & Dogs, 20ml
$12.95 Save $5.00 RRP: $17.95
20ML Pet Ear Drop Removes Ear Mites Improves Hearing Easy to Use Effective Cat Dog Ear Cleaner Pet Supplies_Lucky_B
$17.95 Save $8.00 RRP: $25.95
40 Pieces Temperature Strips Testing Adhesive Temperature Strips 90 To 100 Fahrenheit Degree Temper
$17.95
Water Electrolyzer - Portable Water Quality Tester Lightweight Water Impurity Monitor Easy to Use Electrolyzer Test Monitor
$5.95 Save $43.00 RRP: $48.95
Mini Alarm Siren For The House, Plastic/metal, 110 Db, Black/red-FCY
$8.95 Save $12.00 RRP: $20.95
NTC 10K Ohm Waterproof Digital Thermal Temperature Sensor Probe 1m
$16.95 Save $29.00 RRP: $45.95
For 0.96 Inch OLED I2C SSD 4Pin Module LCD Screen Display CPU Temperature for STM32
$14.95
For 0.96 Inch OLED I2C SSD 4Pin Module LCD Screen Display CPU Temperature for STM32
$15.95
12 Pcs Air Plant Stand,Fish Tank Vacuum Suction Cups with Loops for Plants Hanging on Glass Windshi
$11.95
Accurate Automatic Salt Water Hydrometer 7.5x19cm for Fish Tank
$17.95 Save $10.00 RRP: $27.95
6 Pcs Queen Bee Rearing Box Cell Beekeeping Equipment
$10.95 Save $10.00 RRP: $20.95
For 0.96 Inch OLED I2C SSD 4Pin Module LCD Screen Display CPU Temperature for STM32
$16.95
Powerful Aquarium Water Purification Tablet, Water Purifying Tablets for Fish Tan, Remove All Kinds of Turbidity from Fish Tank Water
$16.95 Save $17.00 RRP: $33.95
Mini LCD Digital Thermometer Hygrometer Temp Meter with 150cm Probe
$15.95 Save $4.00 RRP: $19.95
HX-906 Aquarium Mini Heating Rod Submersible Fish Tank Adjustable Water Heater EU Plug 220-240V(25W)
$11.95 Save $33.00 RRP: $44.95
Pet Reptile Hygrometer Embedded Fish Tank Thermometer with Large Digital Display White
$14.95 Save $9.00 RRP: $23.95
Commercial Refrigerator Temperature Probe For Cooling System Maintenance Copper 2.50X0.70X0.70cm High Precision 2Pcs
$21.95 Save $13.00 RRP: $34.95
SHT30 Waterproof Digital Temperature and Humidity Monitoring Sensor
$14.95 Save $8.00 RRP: $22.95
Animal Thermometer Pig Cow Sheep Dog Cat Pet Animal Electronic Thermometer Handheld Infrared Temperature Measuring Gun
$18.95 Save $4.00 RRP: $22.95
Automatic Hydrometer Salt Water Salinity Meter for Fish Tank, Accurate Aquarium Refractometer for Marine Tanks and Reef Testing
$15.95
Thermometer Hygrometer Temperature Gauge LCD Digital Display with Built in Battery
$14.95 Save $7.00 RRP: $21.95
Pool Floating Animal - Easy To Read Temperature Display
$21.95
High-quality Fish Tank Co2 Monitor Glass Drop Checker Ph Long Term Indicator Monitor
$19.95 Save $21.00 RRP: $40.95
Reptile Thermometer Hygrometer with Suction Cup Digital Temperature
$20.95 Save $3.00 RRP: $23.95
Reptile Tank Thermometer Hygrometer Temperature Humidity Monitor For Vivarium Terrarium
$17.95 Save $3.00 RRP: $20.95
40 Pieces Temperature Strips Testing Adhesive Temperature Strips 90 To 100 Fahrenheit Degree Temper
$17.95 Save $2.00 RRP: $19.95
402A Digital Display Meter for Gasoline Generator Digital Display Meter Generator Accessory 90-250V 2025
$11.95 Save $1.00 RRP: $12.95