... Not Exceed 25 Per Astm E-84, Color: Black, Process: Media For Cross Flow Cooling Tower, Specification: Working Temperature -35 Deg. C ... Not Exceed 25 Per Astm E-84, Color: Black, Process: Media For Cross Flow Cooling Tower, Specification: Working Temperature -35 Deg. C ... Not Exceed 25 Per Astm E-84, Color: Black, Process: Media For Cross Flow Cooling Tower, Specification: Working Temperature -35 Deg. C ...