WatersSep-Pak C18 Plus Long Cartridge, 820 mg Sorbent per Cartridge, 55 - 105 µm, 50/pkSKU · WAT023635
WatersSep-Pak C18 Plus Short Cartridge, 360 mg Sorbent per Cartridge, 55 - 105 µm, 2000/pkSKU · WAT036575
WatersSep-Pak C18 Plus Short Cartridge, 360 mg Sorbent per Cartridge, 55 - 105 µm, 50/pkSKU · WAT020515