Miller LPR-100 Quantitative Fit Test Adapter Kit

Ensure Your LPR-100 Fits Perfectly

When it comes to welding safety, wearing a respirator is only half the battle; ensuring it actually seals to your face is the other half. The Miller Quantitative Face-Fit Test Kit (261086) is designed to give you and your safety manager absolute confidence in your gear. This kit isn't a mask itself, but a specialized set of adapters that allows your Miller LPR-100 or LPR-100 O/V respirator to be hooked up to a testing machine, specifically the TSI Portacount. This process verifies that the air you breathe is coming through the filters, not leaking in around the edges of the mask.

Fit testing is a crucial step in protecting your long-term health. Even the best filters in the world cannot protect you if the mask doesn't sit right on your face due to facial hair, face shape, or incorrect sizing. By using this adapter kit during a fit test, a machine measures the microscopic particles inside your mask while you move, breathe, and talk. This provides a "pass" or "fail" result based on hard data, rather than just guessing or relying on a smell test. It ensures that when you are under the hood, the fume extraction and filtration are working exactly as intended.

The kit comes with everything needed to adapt the mask for the test, including two adapters and tubing. It is designed to be used during your initial safety setup or annual check-up. Once the test is complete, the adapters are removed, and your standard filters are put back in place, leaving you with a respirator that you know—for a fact—is keeping the bad stuff out. For professional welders who take their lung health seriously, verifying your fit with the proper equipment is the professional standard.