BS EN 13443-2:2005+A1:2007 Water conditioning equipment inside buildings - Mechanical filters - Particle rating 1 Šm to less than 80 Šm - Requirements for performance, safety and testing
2006BS EN 13443-2:2005+A1:2007 Water conditioning equipment inside buildings - Mechanical filters - Particle rating 1 Šm to less than 80 Šm - Requirements for performance, safety and testing
2006BS EN 13443-2+A1:2006 Water conditioning equipment inside buildings. Mechanical filters. Particle rating 1 $Gmm to less than 80 $Gmm. Requirements for performance, safety and testing
2006BS EN 13443-2:2005 Water conditioning equipment inside buildings — Mechanical filters — Part 2: Particle rating 1 4m to less than 80 4m — Requirements for performance, safety and testing