50 * 50mm PTFE (Teflon) Back Catalog number: 8644T-50 Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended 8644N-100 100 * 100mm Nylon (Polyamide) 6/6, FDA Grade, Price on request A135-10 PTFE Beaker Price on request 8785H-75 Scraper box of 100 Price on request