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Under $20 Air Quality Meters

Shop the best prices on 188 great value under $20 air quality meters. Shopping for air quality meters is easy with Fruugo, with SALE discounts, offers and savings on Qin. Buy air quality meters online safely with Fruugo, with secure payment and fast shipping to New Zealand.

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6-in-1 Air Quality Detector: Monitor PM2.5, PM10, HCHO, TVOC, CO, CO2 - dwdz
$19.95 Save $54.05 RRP: $74.00
Seawater Salinity Refractometer Portable Handheld Salinity Meter Atc Salinometer Aquarium Halometer Salt Gauge Saltwater Tester
$14.95 Save $14.00 RRP: $28.95
6-in-1 Air Quality Detector: Monitor PM2.5, PM10, HCHO, TVOC, CO, CO2
$17.95 Save $56.05 RRP: $74.00
Tuya WiFi Smart Switch Module 16A with Power Monitor Support 2Way Control Smart Home DIY Breaker fo
$18.95 Save $4.00 RRP: $22.95
22204-27010 Mass Air Flow Sensor for Mk2 2.0 D4D AFH70M-23 AFH70M23
$17.95 Save $18.00 RRP: $35.95
ENS160 + AHT21 Air Quality Sensor - COO, ECOO, TVOC, Temp & Humidity Module for Arduino, for Raspberry Pi & IoT Projects
$20.95 Save $13.00 RRP: $33.95
22204-27010 Mass Air Flow Sensor for Mk2 2.0 D4D AFH70M-23 AFH70M23
$17.95 Save $18.00 RRP: $35.95
ENS160+AHT21 Air Quality and Temperature and Humidity Sensor
$17.95 Save $16.00 RRP: $33.95
6-in-1 Air Quality Detector: Monitor PM2.5, PM10, HCHO, TVOC, CO, CO2 - dwdz
$19.95 Save $9.00 RRP: $28.95
Indoor Co2 Sensor Co2 Meter Digital Air Detector Intelligent Air Quality Analyzer
$18.95 Save $9.00 RRP: $27.95
ENS160+AHT21 Air Quality and Temperature and Humidity Sensor
$19.95 Save $6.00 RRP: $25.95
ENS160+AHT21 Air Quality and Temperature and Humidity Sensor
$19.95 Save $8.00 RRP: $27.95
M3 X 0.5mm Stainless Steel Nylock Nylon Insert Hex Lock Nuts 50pcs
$17.95 Save $9.00 RRP: $26.95
3IN1 ECO2 ECH2O TVOC Gas Sensor Module Y01
$14.95 Save $12.00 RRP: $26.95
ENS160 + AHT21 Air Quality Sensor - COO, ECOO, TVOC, Temp & Humidity Module for , for & IoT Projects
$18.95 Save $11.00 RRP: $29.95
4PCs Atmospheric Pressure Sensor Sense GYBMP2803.3 Synthetic Cardboard
$10.95 Save $33.00 RRP: $43.95
20mm X 1.5 Sensor Repair Bung Rugged Rustproof Perfect Seal Sensor Weld Bung for Diesel Particulate Matter Soot Sensors
$10.95 Save $34.00 RRP: $44.95
140PSI Air Pressure Switch High Precision Pressure Control Switch Regulator
$10.95 Save $33.00 RRP: $43.95
Analog TDS Sensor Module Water Quality Monitoring Industrial Control Components 3.3-5.5V
$13.95 Save $30.00 RRP: $43.95
TP300 Thermometer Meter Pen Structure Stable Measurement Food Grade Portable Digital Food Thermometer for Home QinHai
$10.95 Save $15.00 RRP: $25.95
Semiconductor CO2 Gas Sensor Air Quality Sensor Module
$13.95 Save $4.00 RRP: $17.95
Level 4 Air Quality Module, VOC, Formaldehyde, and Benzene Detection Module, ZP07 Air Quality Detection Probe
$15.95 Save $10.00 RRP: $25.95
Level 4 Air Quality Module, VOC, Formaldehyde, and Benzene Detection Module, ZP07 Air Quality Detection Probe
$15.95 Save $7.00 RRP: $22.95
FSR406 Force Sensitive Resistor for Smart Seat Force Sensing Resistor Flexible Sensor Module
$12.95 Save $11.00 RRP: $23.95
22204-27010 Mass Air Flow Sensor for Mk2 2.0 D4D AFH70M-23 AFH70M23
$17.95 Save $18.00 RRP: $35.95
22204-27010 Mass Air Flow Sensor for Mk2 2.0 D4D AFH70M-23 AFH70M23
$17.95 Save $18.00 RRP: $35.95
3 Sheets Gauge Labels Wear-resistant Pressure Gauge Decal Arcs Stickers For Clear Indication On Meters And Mechanical Instruments (10 Pieces / Sheet) unbrand
$10.95 Save $6.00 RRP: $16.95
3 Sheets Gauge Labels Wear-Resistant Pressure Gauge Decal Arcs Stickers for Clear Indication on Meters and Mechanical Instruments (10 Pieces / Sheet)
$13.95 Save $45.05 RRP: $59.00
3 Sheets Gauge Labels Wear-Resistant Pressure Gauge Decal Arcs Stickers for Clear Indication on Meters and Mechanical Instruments (10 Pieces / Sheet)
$13.95 Save $55.05 RRP: $69.00
3 Sheets Gauge Labels Wear-Resistant Pressure Gauge Decal Arcs Stickers for Clear Indication on Meters and Mechanical Instruments SZRH A-DS
$16.95 Save $30.00 RRP: $46.95
Mr-100 Lcd Display Meter Dashboard 6pin+switch Button For Electric Scooter
$15.95 Save $24.00 RRP: $39.95
Seawater Salinity Refractometer Portable Handheld Salinity Meter Atc Salinometer Aquarium Halometer Salt Gauge Saltwater Tester
$14.95 Save $14.00 RRP: $28.95