View cart “MQ-135 Air Quality Gas Sensor Module” has been added to your cart. Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low View: 32 64 All Add to cart Add to Wishlist Add to Wishlist SensorsMQ-135 Air Quality Gas Sensor Module RM7.90 This is a sensor module you can use with Arduino to measure the amount of contaminant in surrounding air, providing air quality reading for your projects. Add to Wishlist Add to Wishlist