The continuous manufacturing plant modernizations and R&D investments assure Muller Filter to guarantee elevated performance products. To reach high efficiency supplies, the company chooses its partners among leaders homologatedfrom the most important oem manufacturers.
Muller Filter submits their filters to sophisticated tests according to the international ISO requirements, in collaboration with the main test laboratories recognised by automotive manufacturers. 
As a result of these efforts, in the year 2002, the company manufacturer obtained the certification according to ISO9001.

The awareness of the environmental protection aspects is very important at every stage of product life – from design through manufacture till to the finally utilisation. For this reason Muller Filter is implementing its environmental management system according to ISO14001.
Muller Filter products are designed and developed following the requisites and the performances of the first equipment products according to the O.E. specifications and in conformity to the Product Quality Declaration related to CE1400/2002 rules.