Na90 Filter Self-Sanitizing Coating Concentrate that our company brings forth is an outcome of the advanced nano-particle and polymer science. This type of coating concentrate can easily be applied with brush or sprayer on washed and cleaned surface to the filters in split air conditioner, cassette, HVACs, air purifiers, window and commercial AC systems to create an invisible protective obstruction so as to deliver fresh, odour-free, germ-free breathable air all year long. Moreover, Na90 Filter Self-Sanitizing Coating Concentrate can be availed at affordable prices.