Henny Penny 12076 SMART filter paper.
file:///C:/Users/sales/Downloads/Filter-Media-feature-comparison-03092021.pdf
Size is 16.50" x 25.50" in (419 x 648 mm) (Packaging = 66cm x 43cm x 4cm)
Made from Rayon / cotton fiber
Thickness = 0.014 in (0.38 mm)
Particle retention is >70 microns