Model G2070 - SPE -Empore Filters - 3M O/G Disk, 47mm, 20pk

47mm 3M Oil & Grease Disk for hexane extraction. Improved 3M oil and grease disks are optimized to meet EPA Method 1664 requirements. They have a faster flow rate and less filter clogging than competing SPE filters. Revolutionary filters uses a fluoropolymer matrix embedded with C-18 coated particles sandwiched between two layers of polypropylene prefilter material. Tri-laminar construction eliminates the need for costly and messy prefilter materials on most samples. Size: 47mm. Method: EPA 1664. 20 Oil and Grease disks per pack.