Supelco HPLC Guard Cartridge Discovery HS C18 SupelGuard , Kit, 3 μm, L x ID, 2 cm x 2.1 mm, 2/PAK

HPLC Guard Cartridge Discovery® HS C18 Supelguard™, Kit, 3 µm, L x ID, 2 cm x 2.1 mm, 2/PAK x I.D. 2 cm x 2.1 mm, 2/PAK