Sieve 0A25 mm Permittivity ASTM D-4491 0.05 Sec-1 0.05 Sec-1 Water Flow Rate ASTM D-4491 4 g/min/sf 163 l/min/sm UV Resistance @ 500 Hours ASTM D-4355 70% 70% ROLL SIZE 12.5' x 360' 500 sys AREA 195 lbs WEIGHT 15' x 300' 500 sys 195 lbs 17.5' x 258' 500 sys 195 lbs ASTM D3786 is nc A