Standard 0.45um filter vials distributor captiva-Aijiren HPLC Whatman 7140-104 Mixed Cellulose Ester Circle WME Range, 0.45 um pore size, sterile, individually packed, white, plain, with pad, 47 mm, 100 pieces. Regular Price $159.51 Price $138.52. Add to Cart. Add to Wish List.