50 * 50mm PP Back Catalog number: 8644PP-50 Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended SSS-888B Sterile Bag 254 * 382. Box of 1000 Price on request 8700S-19 200mm Sieve.25micron Price on request A135-5C Cover for PTFE Beaker Price on request