50 * 50mm Stainless 304 Bright Polish Back Catalog number: 8644S4-50B Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended 8700S-11 200mm Sieve. 180micron Price on request 8644T-50 50 * 50mm PTFE (Teflon) Price on request SSS-888B Sterile Bag 254 * 382. Box of 1000 Price on request