StepSaver UltraFlow Funnels w/47mm Filters; 20/Pk

Convenience of disposable, unbreakable funnels for oil and grease analysis|Choose between UltraPrep and UltraFlow extraction funnels|Available in 47-mm; Pack of 20|StepSaver streamlines the extraction process by allowing the analyst to collect the solvent with eluted oil and grease directly into a collection flask. As fluid enters the collection flask, it passes through a drying cartridge to remove excess water. It is ready to be evaporated without a separate drying step. |UltraFlow disposable polypropylene filter funnels come with preinserted SPE filter disks. Filter disks are constructed of two layers of glass fiber filter material. The top layer acts as a prefilter while the bottom layer is bound to a high carbon C-18 adsorbent. This laminar construction results in a product with a high flow rate and higher dirt holding capacity than other SPE products.