MOOKA Air Purifier for Large Rooms up to 2200 sq.ft, Washable Filter, PM2.5 Sensor, White - PR1 star_border star_border star_border star_border star_border (2) See the product on Tekdiscover$79.99 Buy it on Amazon
Temtop Portable CO2 Monitor - Indoor Air Quality, Temperature & Humidity Meter for Home, Office & School star_border star_border star_border star_border star_border (4) See the product on Tekdiscover$29.99 Buy it on Amazon
TOPTES CT-580 Portable Rechargeable Carbon Monoxide Detector with Vibration, Visual & Audible Alarms, TFT Display star_border star_border star_border star_border star_border (2) See the product on Tekdiscover$65.99 Buy it on Amazon
2025 4-in-1 Digital TDS Meter - Accurate TDS, EC & Temp (°C/°F) Water Tester 0-9999ppm for Drinking Water & More star_border star_border star_border star_border star_border (4) See the product on Tekdiscover$8.99 Buy it on Amazon
