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MF 5 / 5a Magnetic filter holder

Rocker MF series magnetic filter holders are designed with double-layer magnets to ensure a tight seal between the funnel and support base. The user-friendly design can allow one-handed operation and prevent possible twisting and tearing of the membrane. Innovative design of a hose fitting detachable to the support base can allow a direct connection to vacuum source and a flexible use with various kinds of vacuum flask and bottle. Constructed of Polyether sulfone (PES) material, MF series filter holders can be resistant to a wide range of solvents, sturdy and autoclavable.

Versatile: Compatible with various kinds of bottle, vacuum flask with or without side arm to collect filtrate directly

Easy to use: Strong magnetic seal allows one-handed operation, prevents possible twisting and tearing of the membrane. Membrane guide on the base helps position membrane easily

Safety: PES (Polyether sulfone) construction, resistant to a wide range of chemicals and high temperature, sturdy and unbreakable

Reusable: Withstands numerous autoclave cycles, save money and energy consumption


Funnel body : Polyether sulfone
Funnel base: Polyether sulfone
Hose fitting  Polyether sulfone
Support screen : Polyether sulfone
Sealing gasket : Silicone rubber
Sealing plug : Silicone rubber
Lid kit : PP (Poly Propylene) construction
with PTFE syringe filter



Funnel Capacity : 500 ml
Effective Filtration Area : 13.1 cm²
Effective Diameter : 41 mm
Filter Size :   47 mm
Fitting Size (Tubing) :  Ø4~8mm
Graduation Increment : 50ml 
Size (Diameter x H) : Ø9x21.6cm/Ø9x14.6cm
Packing Size (LxWxH) : 19.5x10.2x10.2 cm
Net Weight : 400g / 350g
Gross Weight : 500g/450g




Suspended Solid test filtration for municipal,surface, ground and drinking water

Microbiology test filtration in food,pharmaceutical, beverage industries

Medium purification in life science laboratory

General filtration for aqueous sample