Air purifier

src: www.lg.com An air purifier or air cleaner is a device which removes contaminants from the air in a room. These devices are commonly m...

Refrigerator

src: images.homedepot-static.com A refrigerator (colloquially fridge or fridgefreezer in the UK) is a popular household appliance that co...

Reverse osmosis

src: www.kandrwaterservice.com Reverse osmosis ( RO ) is a water purification technology that uses a semipermeable membrane to remove ions,...

Minimum efficiency reporting value

src: www.pointbayfuel.com Minimum efficiency reporting value , commonly known as MERV rating, is a measurement scale designed in 1987 by th...