50 * 50mm PVC Back Catalog number: 8644PVC-50 Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended 8785H-75S Scraper box of 100. Sterile Price on request 8644PVC-100 100 * 100mm PVC Price on request 8370H-100 100mm dia Funnel box of 50 Price on request