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SALE Under $20 Water & Flood Detectors

Shop the best SALE offers on 1,131 low price under $20 water & flood detectors. SAVE on discount and clearance water & flood detectors in the Fruugo SALE, with big savings and cheap deals on Shanghai Yangxin, Asiv, Guangzhou Zhetong Trading Co., Ltd. and more. Buy water & flood detectors online safely in the Fruugo SALE, with secure payment and fast shipping to New Zealand.

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1 - 32 of 1,131
Tuya ZigBee Smart Rain Sensor 2-in-1 Rainwater Flood Detector Rainwater Detection for Home Automati
$16.95 Save $14.00 RRP: $30.95
Temperature Sensor Induction Cooker Temperature Detector Electric Cooker Temperature Sensor
$11.95 Save $67.05 RRP: $79.00
Water Electrolyzer - Portable Water Quality Tester Lightweight Water Impurity Monitor Easy to Use Electrolyzer Test Monitor
$19.95 Save $12.00 RRP: $31.95
Water Leak Alarm Liquid Leakage Detector Sound Alarm Sensor Home Security
$8.95 Save $9.00 RRP: $17.95
Water Overflow Sensor Detector 120dB Water Leakage Alarm System
$7.95 Save $7.00 RRP: $14.95
DF-96DK Automatic Water Level Controller Switch 20A 220V Tank Liquid Detection Sensor C
$16.95 Save $87.05 RRP: $104.00
3-in-1 TDS Water Quality Tester High Accuracy Digital Water Testing Kit for Drink Water Water Tester
$17.95 Save $4.00 RRP: $21.95
Leakage Alarm Pipeline Leak Detection Probe for Water Leak Detection 1 Meter
$19.95 Save $18.00 RRP: $37.95
Pipeline Leak Detection Tool with Water Leak Probe 1 Meter Cable Sensor
$18.95 Save $16.00 RRP: $34.95
1/2/3Pcs Tuya Zigbee Water Sensor Alarm Water Leak Detector Flood Alert Overflow Security Alarm System Works With Zigbee Gateway
$19.95 Save $12.00 RRP: $31.95
Digital Water Hardness Tester for Home, Measures TDS and Temperature Precisely
$14.95 Save $84.05 RRP: $99.00
Led Night Light Socket Star Socket Light With Twilight Sensor Very Good Compatible With
$3.95 Save $2.00 RRP: $5.95
Tuya Z2M Water Immersion Sensor Zigbee3.0 Flood Water Leak Detector Alarm Security Water Leak Sensor
$18.95 Save $10.00 RRP: $28.95
5Pcs Water Leakage Detector Sensor with 3.5 Audio Head Water Level Sensor Probe Dual Metal Poles Water Leak Level Sensor
$16.95 Save $9.00 RRP: $25.95
Ice Machine Water Level Float Sensor Water Level Control Switch Float Switch Water Temperature Detec
$20.95 Save $10.00 RRP: $30.95
Plastic Water Flow Switch Vertical/Horizontal Water Sensor Magnetic AC 220V
$16.95 Save $35.00 RRP: $51.95
Digital Test Pencil Voltage Detector 12-1000V with Sound & Light Alarm
$21.95 Save $8.00 RRP: $29.95
Water Level Alarm, Water Immersion Detector, Household Water Tank, Fish Tank, Water Pump, Overflow And Leakage Sensor
$11.95 Save $57.05 RRP: $69.00
Water Leak Alarm Detector 120dB Loud Home Sink Fish Tank Pump Overflow Leakage Sensor
$6.95 Save $47.05 RRP: $54.00
Water Leakage Alarm Detector With Wired Sensor 1 Meter Cable Water Level Sensor Probe Dual Metal Pol unbrand
$17.95 Save $11.00 RRP: $28.95
WiFi Enabled Water Leak Detector with App Remote Monitoring for Home Safety
$17.95 Save $22.00 RRP: $39.95
Wired Water Leakage Detector Sensor Water Level Sensor Probe Dual Metal Poles Water Leak Level Sensor 2 Meter Cable
$9.95 Save $5.00 RRP: $14.95
12V Gas Alarm Sensor Alarm Propane Butane LPG Natural Motor Home Camper-Yvan
$20.95 Save $12.00 RRP: $32.95
Wifi Smart Window Door Gate Sensor Detector Smart Home Security Alarm System Smart Life Tuya App Rem
$20.95 Save $14.00 RRP: $34.95
Tuya WIFI Water Sensor Alarm Water Leak Detector Flood Alert
$19.95 Save $2.00 RRP: $21.95
Tuya WIFI Water Sensor Alarm Water Leak Detector Flood Alert Overflow Security Alarm System Works
$19.95 Save $10.00 RRP: $29.95
Water Leakage Alarm Detector with Wired Sensor 1 Meter Cable Water Level Sensor Probe Dual Metal Poles
$9.95 Save $5.00 RRP: $14.95
Led Faucet Tip Replacement Rotating Spout Color Temperature Sensor
$16.95 Save $10.00 RRP: $26.95
Waveshare Water Level Sensor Module Water Level Alarm Droplet Sensor Water Rise Detection
$14.95 Save $7.00 RRP: $21.95
2024 Automatic Operation Water Leak Detector Water Alarm Sensor, Water Leakage Alarm
$8.95 Save $30.00 RRP: $38.95
4 Pcs Tds Meter Water Quality Tester Filter Pen Testing Water Quality For Drinking Water /swimming
$18.95 Save $25.00 RRP: $43.95
PCFS-IR212-55 Floor Scrubber Water Level Sensor IP68 Water Detector 2025
$17.95 Save $18.00 RRP: $35.95