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Under $20 Air Quality Meters

Shop the best prices on 201 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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1 - 32 of 201
Mass Air Flow Sensor 31342521 for 2008-2015
$19.95 Save $20.00 RRP: $39.95
Mass Air Flow Sensor 31342521 for 2008-2015
$19.95 Save $84.05 RRP: $104.00
Seawater Salinity Refractometer Portable Handheld Salinity Meter Atc Salinometer Aquarium Halometer Salt Gauge Saltwater Tester
$15.95 Save $14.00 RRP: $29.95
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
Mr-100 Lcd Display Meter Dashboard 6pin+switch Button For Electric Scooter
$16.95 Save $25.00 RRP: $41.95
ENS160+AHT21 Air Quality and Temperature and Humidity Sensor
$14.95 Save $10.00 RRP: $24.95
TP300 Thermometer Meter Pen Structure Stable Measurement Food Grade Portable Digital Food Thermometer for Home QinHai
$10.95 Save $15.00 RRP: $25.95
5 in 1 Multifunctional Air Quality Meter Household Temperature Humidity CO CO2 TVOC Tester Monitor Air Detector White
$20.95 Save $11.00 RRP: $31.95
3 Sheets Gauge Labels Wear-Resistant Pressure Gauge Decal Arcs Stickers for Clear Indication on Meters and Mechanical Instruments (10 Pieces / Sheet)
$20.95 Save $98.05 RRP: $119.00
ENS160 + AHT21 Air Quality Sensor - COO, ECOO, TVOC, Temp & Humidity Module for , for & IoT Projects
$14.95 Save $7.00 RRP: $21.95
GY-SGP30 ECO2 Air Quality Gas Sensor Module TVOC Detection Chip Compatible for Arduino Demo Board
$17.95 Save $8.00 RRP: $25.95
CO2 Meter Air Quality Temperature Humidity Meter Air Tester Portable 3IN1 PLAY FP
$20.95 Save $98.05 RRP: $119.00
Level 4 Air Quality Module, VOC, Formaldehyde, and Benzene Detection Module, ZP07 Air Quality Detect
$13.95 Save $8.00 RRP: $21.95
5 in 1 Multifunctional Air Quality Meter Household Temperature Humidity CO CO2 TVOC Tester Monitor Air Detector White
$22.95 Save $10.00 RRP: $32.95
SGP40 VOC Sensor Module Dual Gas Environment Detection Industrial Wide Temperature Range STEMMA QT/Qwiic Interface
$21.95 Save $13.00 RRP: $34.95
ENS160+AHT21 CARBON Dioxide CO2 ECO2 TVOC Air Quality and Temperature and Humidity Sensor Replace CCS811
$14.95 Save $7.00 RRP: $21.95
SGP30 Gas Sensor Module TVOC/ECO2 Indoor Air Quality Formaldehyde Carbon Dioxide Measurement Sensor Board IIC Interface
$20.95 Save $20.00 RRP: $40.95
SGP30 Gas Sensor Module TVOC/ECO2 Indoor Air Quality Formaldehyde Carbon Dioxide Measurement Sensor Board IIC Interface
$22.95 Save $6.00 RRP: $28.95
3 Sheets Gauge Labels Wear-Resistant Pressure Gauge Decal Arcs Stickers for Clear Indication on Meters and Mechanical Instruments (10 Pieces / Sheet)
$15.95 Save $63.05 RRP: $79.00
ENS160+AHT21 Air Quality and Temperature and Humidity Sensor
$17.95
5-in-1 Air Quality Monitor Levels Temperature Humidity Detector With Lcd Display Indoor Air Qualit unbrand
$15.95 Save $6.00 RRP: $21.95
3 Sheets Gauge Labels Wear-resistant Pressure Gauge Decal Arcs Stickers For Clear Indication On Meters And Mechanical Instruments (10 Pieces / Sheet) unbrand
$11.95 Save $6.00 RRP: $17.95
Air Quality Monitor 5 in 1 Air Quality Detector C02 Detector HCHO TVOC Tester LCD Temperature Humidity Tester Black
$7.95 Save $5.00 RRP: $12.95
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 $40.05 RRP: $54.00
3IN1 ECO2 ECH2O TVOC Gas Sensor Module Y01
$14.95 Save $12.00 RRP: $26.95
GP2Y1010AU0F Compact Optical Dust Sensor Smoke Particle Sensor with Cable
$16.95 Save $7.00 RRP: $23.95
CO2 Meter Air Quality Temperature Humidity Meter Air Tester Portable 3IN1 PLAY FP
$20.95 Save $98.05 RRP: $119.00
SGP40 Digital Gas Sensor Gas Sensor for TVOC ECO2 GY-SGP40 Carbon Dioxide Measurement Formaldehyde Module
$20.95 Save $11.00 RRP: $31.95
Level 4 Air Quality Module, VOC, Formaldehyde, and Benzene Detection Module, ZP07 Air Quality Detect
$16.95 Save $2.00 RRP: $18.95
Seawater Salinity Refractometer Portable Handheld Salinity Meter Atc Salinometer Aquarium Halometer Salt Gauge Saltwater Tester
$15.95 Save $14.00 RRP: $29.95
Level 4 Air Quality Module, VOC, Formaldehyde, and Benzene Detection Module, ZP07 Air Quality Detec
$15.95 Save $3.00 RRP: $18.95
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