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Under $20 Air Quality Meters

Shop the best prices on 507 great value under $20 air quality meters. Shopping for air quality meters is easy with Fruugo, with SALE discounts, offers and savings on Elsavct and Qin. Buy air quality meters online safely with Fruugo, with secure payment and fast shipping to Australia.

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Air Quality Monitor 5 in 1 Air Quality Detector C02 Detector HCHO TVOC Tester LCD Temperature Humidity Tester Black
$19.95 Save $44.05 RRP: $64.00
Air Quality Monitor Co2 Detector Temperature Humidity Air Analyzer Digital Co2 Meter For Home Office School
$19.95 Save $3.00 RRP: $22.95
Mold Detector for Home - Accurate Testing Kit with Real-Time Display
$13.95 Save $27.00 RRP: $40.95
3 Sheets Gauge Labels Wear-Resistant Pressure Gauge Decal Arcs Stickers for Clear Indication on Meters and Mechanical Instruments (10 Pieces / Sheet)
$14.95 Save $44.05 RRP: $59.00
2025 Carbon Dioxide Detectors Pm2.5Pm1.0 Formaldehyde Detection
$19.95 Save $20.00 RRP: $39.95
MP3 Audio Decoder Board for Speaker Lossless MP3/WMA/WAV/Flac/Ape Recording Car Music MP3 Decoder B
$18.95 Save $2.00 RRP: $20.95
Indoor Air Quality Monitor,CO2 Monitor/Temperature/Formaldehyde Detector/Humidity TVOC for Rooms,Grow Tents Black
$20.95 Save $11.00 RRP: $31.95
5-in-1 Air Quality Monitor Levels Temperature & Humidity Detector with LCD Display Indoor Air Qualit
$20.95
Mass Air Flow Sensor 31342521 for 2008-2015
$16.95 Save $32.00 RRP: $48.95
CO2 Meter Air Quality Temperature Humidity Meter Air Tester Portable 3IN1 WELL A-F Edition 1212
$18.95 Save $28.00 RRP: $46.95
5 in 1 Multifunctional Air Quality Meter Household Temperature Humidity CO CO2 TVOC Tester Monitor Air Detector White
$18.95 Save $9.00 RRP: $27.95
Digital LCD Monitor TDS & EC Meter Water Measurement Test Tool
$17.95 Save $16.00 RRP: $33.95
Ens160+aht21 Carbon Dioxide Co2 Eco2 Tvoc Air Quality And Temperature And Humidity Sensor Replace C
$21.95
Mold Detector for Home Accurate Testing Kit with Real-Time Display
$20.95 Save $21.00 RRP: $41.95
GP2Y1010AU0F Compact Optical Dust Sensor Smoke Particle Sensor with Cable
$15.95 Save $4.00 RRP: $19.95
ENS160 + AHT21 Air Quality Sensor - COO, ECOO, TVOC, Temp & Humidity Module for , for & IoT Projects
$16.95 Save $4.00 RRP: $20.95
Portable Convenient ENS160+AHT21 CO2 ECO2 TVOC for Air Quality Temperature and Humidity Sensor Modu
$17.95
PMS5003 PM2.5 PM10 Quality Detection Sensor Digital Particle Sensor
$19.95 Save $9.00 RRP: $28.95
Laser Dust Sensor Module PM2.5 for Air Monitoring
$19.95 Save $5.00 RRP: $24.95
5 in 1 Air Quality Monitor TVOC HCHO Temperature Humidity CO2 Meter, USB Rechargeable CO2 Detector White
$19.95 Save $10.00 RRP: $29.95
MT05 Indoor Air Quality Monitor TVOC HCHO Temperature Humidity Tester CO2 Meter USB Rechargeable CO2 Detector White
$20.95 Save $11.00 RRP: $31.95
Level 4 Air Quality Module, VOC, Formaldehyde, and Benzene Detection Module, ZP07 Air Quality Detection Probe
$11.95 Save $6.00 RRP: $17.95
TVOC Gas Sensor Expansion Board Module UART Communication Support TVOC/CH2O/CO2 for Raspberry Pi/Pico/for Arduino/ESP32
$21.95 Save $10.00 RRP: $31.95
Air Quality Monitor 5 in 1 Air Quality Detector C02 Detector HCHO TVOC Tester LCD Temperature Humidity Tester Black
$20.95 Save $10.00 RRP: $30.95
GP2Y1010AU0F Dust Sensor with Cable - Compact Optical Smoke Particle Detector
$19.95 Save $18.00 RRP: $37.95
Indoor Co2 Sensor Co2 Meter Digital Air Detector Intelligent Air Quality Analyzer
$16.95 Save $24.00 RRP: $40.95
TUYA MiNi 16A Smart Switch Non-Metered Version Smart Wifi Switch Voice Control Home Automation Ligh
$14.95 Save $4.00 RRP: $18.95
5 In1 CO2 Meter Digital Temperature Humidity Tester Carbon Dioxide Detector Air Quality Monitor TVOC
$22.95 Save $28.00 RRP: $50.95
Seawater Salinity Refractometer Portable Handheld Salinity Meter Atc Salinometer Aquarium Halometer Salt Gauge Saltwater Tester
$15.95 Save $5.00 RRP: $20.95
GP2Y1010AU0F Compact Optical Dust Sensor Smoke Particle Sensor with Cable
$14.95 Save $4.00 RRP: $18.95
PMS5003 PM2.5 PM10 Quality Detection Sensor Digital Particle Sensor
$19.95 Save $84.05 RRP: $104.00
TP300 Thermometer Meter Pen Structure Stable Measurement Food Grade Portable Digital Food Thermometer for Home
$19.95 Save $13.00 RRP: $32.95