100 * 100mm PTFE (Teflon) Back Catalog number: 8644T-100 Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended 8644N-50 50 * 50mm Nylon (Polyamide) 6/6, FDA Grade, Price on request 8703A-10 10ml Automatic burette Price on request A135-1000C Cover for PTFE Beaker Price on request