Introducing the "Gas Guardian" - a DIY electronic kit designed for the safety-conscious DIYer.
With its MQ-2 smoke sensor and LM 358 integrated chip, this kit can detect liquefied gas, propane, hydrogen, natural gas, and other combustible gases.
The Gas Guardian is easy to assemble and use, with clear instructions that even beginners can follow. After just one minute of warming up, the pr…

Introducing the Breathing Protective Mask Filter, the perfect accessory for those seeking uncompromising quality in their air filtration needs.
Made from non-woven material and available in both adult and child sizes, this mask filter features a five-layer activated carbon filter capable of separating 99.88% of dust, chemicals, particulates, gases, pollen, smoke and fumes.
Its high-effici…