Whatman 濾膜 29168193 NL16, Polyamide, 0.2 Micro meter, 47 mm, 100/pk – PROMO

Whatman 濾膜 29168193 NL16, Polyamide, 0.2 Micro meter, 47 mm, 100/pk – PROMO NL16, Polyamide, 0.2 Micro meter, 47 mm, 100/pk – PROMO