The Respirator Filter for Clean-Air a particle filter that provides protection against all types of particles [dust particles, solid and liquid aerosols, toxic smoke]. Venus Safety & Health Pvt. Ltd. Manufactures Respirator Filter for Clean-Air. Venus Safety & Health Pvt. Ltd. Offers various types of Personal Protective Equipments. The Respirator Filter of model number Basic 2000 separates no less than 99, 9998% of the pollution in the air.