AISI-316L. 500 mm x 500 mm Caudal max. recomen. 136 m3/h (0,5 m/s)
https://gestor-doc-s3.s3.eu-west-1.amazonaws.com/documents/category/MAN12_acero_inoxidable_nov_2010.pdf
https://gestor-doc-s3.s3.eu-west-1.amazonaws.com/documents/category/DIM01_00284_v01-.pdf