Pitch and Roll Sensor Back Catalog number: 438161 Availability: In the manufacturer's stock Price on request - + Recommended 450010 Set of 12 Experimental Bottles (Serial No. xx) Price on request POCIS.HLB.90.55.10 AttractSPE® POCIS HLB (10 POCIS + empty fritted cartridges) Price on request 443591-001 Spare Rope for Visibility Disc acc. to Secchi Price on request