This apparatus differs from the standard 47mm filter apparatus (89083-540), as it uses Ace Glass’ proprietary Instatherm® technology to evenly heat the top 400 ml funnel, thus keeping the viscous materials in a flowing liquid state.

• Fabricated from borosilicate glass
• Middle adapter is PTFE with a PTFE snap-ring
• Interchangeable fritted disk is the coarse, 25 to 50 µm size

This system is excellent for filtering oils or thick slurries and using either 47 mm membranes or filter paper disks. Perfect for sample prep for various ASTM petroleum and polymer testing procedures and for new biofuel testing protocols.

The entire assembly can be easily taken apart for cleaning and the fritted filter disc can easily and inexpensively be cleaned or replaced.