Description General description Whatman® ZapCap® CR Bottle Top Filters ZapCap® For filtration of medium volumes, cell culture media and HPLC solutions. Features and benefits: • Complete 500 ml units with tubing nozzle; for attaching to bottles (bottle-top) • Connection seals on any standard bottles 33 to 45 mm • Membrane diameter 76 mm, filter area 39.2 cm2 • ZapCap-S with included borosilicate prefilter for high flow rates • ZapCap-S Plus with integral borosilicate prefilter for very high flow rates • ZapCap-CR, the chemical-resistant bottle-top filter • Can be used up to 50ºC ZapCap-CR Filtration of HPLC solutions: 1. Polyamide membrane filters (NYL) for filtering down to 0.2 μm in HPLC/FPLC solutions when the column packing is 10 μm 2. PTFE membrane filters for filtering down to 0.45μm in organic solutions; strong acids or aldehydes ZapCap-S Filtration of cell culture media: 1. Cellulose acetate membrane filters (CA) with extremely low protein binding for cell culture media and other aqueous solutions 2. Sterile filtration of solutions which cannot be autoclaved ZapCap-S Plus Sterile filtration and clarification of difficult-to-filter aqueous solutions. Other Notes Field of Use : For internal research use only. Products are not intended for diagnostic use or resale. Legal Information Whatman is a registered trademark of GE Healthcare ZapCap is a registered trademark of GVS S.p.A.