About Us

CLAIRON FILTERS LDA, is a part of a global group involved in the manufacturing of Air Filters required for HVAC, Gas Turbine air intake and Paint Booth application.  

The team is led by its Founding Director, Mr. Santhosh Kumar, who has over 20 years of experience in Air Filtration Industry. The group has its facilities located in Portugal, Germany, UAE and India employing over 750 people today. 

Clairon Filters LDA, Portugal is an ISO 9001:2015 certified company focused on an excellent Quality Management System in production as well as in administration, which guarantees high quality products and services to its valuable customers across the world.
A Clairon Filters
Clairon Filters LDA produces high quality raw material in the plant located in Portugal and cater to its group companies as well as its inhouse production of filters. Multiple production lines and state of the art test facilities combined with affordable prices made Clairon one of the most popular brands. 

Apart from a wide range of Air Filters, Clairon has invested for a class 8 clean room also to produce high quality medical grade face masks in Type II, Type IIR and FFP2 qualities in its Portuguese facility.

HEPA FILTERS are produced in a Class 8 clean room and individually tested according to EN 1822 standard using high quality testing equipment. 

Clairon Filters is today A one stop supplier for all filter needs. Thanks to the geographical location which makes logistics easiler and faster for customers across the world. 
We work to purify the air in every building, by offering the best solutions to each situation.
We believe in a future where breathing quality air is a right, not a luxury.
Trust – We believe in a product made for ourselves.

Loyalty – We aspire to promote and develop long-term relationships with our stakeholders.

Excellence – We take care of every detail from the raw material to the finished product.

Dignity - We believe in human dignity above all things. Our product is made by humans for humans.

Social Responsibility – We defend the pursuit of sustainable growth through the empowerment of local communities and the promotion of a fair and equal working environment.


In the scope of the Qualification Project, Clairon Filters obtains, in 2020, its Certification fo the Quality Management System, presenting its certificate to ISO 9001:2015. With this certification, we reinforce our main objective: to reach the satisfaction of our customers, demonstrating the quality of our products and services.