AttractSPE® POCIS HLB (10 POCIS + empty fritted cartridges) Back Catalog number: POCIS.HLB.90.55.10 Availability: In the manufacturer's stock Price on request - + Recommended A736-200 200ml Beaker. 316L stainless steel Price on request 438610 Biological Bottom Dredge Price on request A136-01S 1" Butterfly Valve kit (316L) with Silicone seal Price on request