The OTS Guardian FFM Annual Service Kit – 900417-001 is a technician-only maintenance kit for the Ocean Technology Systems Guardian Full Face Mask. This kit is intended for qualified scuba equipment service technicians performing annual maintenance, inspection, and repair support on Guardian FFM equipment.

This item should not be installed by general consumers. Full face mask service should be completed by a trained technician using the correct service procedures, tools, inspection process, and final testing before the equipment is returned to diving service.

OTS Guardian FFM Annual Service Kit 900417-001