50 * 50mm HDPE Opaque Back Catalog number: 8644H-50 Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended A135-500 PTFE Beaker Price on request 8505A-11 Case Price on request 8644N-50 50 * 50mm Nylon (Polyamide) 6/6, FDA Grade, Price on request