You can gain significant benefits from this hardware, as it is engineered specifically to work with the Quantifit and QuantiFit2 systems using Controlled Negative Pressure technology. This advanced respiratory protection accessory eliminates the need for cumbersome "dog-bone" connectors by providing a lightweight, single-piece solution. As high-quality respirator parts, these adapters accurately simulate the weight of a mask-mounted regulator to ensure the most realistic fit possible. This specialized respirator fit tester adapter allows you to maintain a high-cadence testing schedule without sacrificing hygiene or precision. By incorporating these durable industrial safety products into your routine, you ensure that your MSA Ultra Elite or Fire Hawk masks are tested in their native configuration. The kit provides all necessary components to achieve a repeatable, airtight seal for defensible quantitative results. Order today.