ML00894 - Miller LPR-100 Low Profile P100 Respirator, Small/Medium

Technical Overview of the Miller LPR-100 Half Mask Respirator

The Miller LPR-100 Half Mask Respirator (SKU: ML00894) is a specialized respiratory protection device engineered specifically for the industrial welding environment. This unit is sized Small/Medium and is equipped with P100 filters, providing a filtration efficiency of 99.97% against airborne particulates and aerosols, including both oil-based and non-oil-based contaminants. It is designed to meet NIOSH 42 CFR Part 84 standards and offers an Assigned Protection Factor (APF) of 10, making it suitable for protection against hexavalent chromium (stainless steel), zinc oxide (galvanized steel), manganese, aluminum, nickel, iron oxide, copper, cadmium, lead, and beryllium fumes.

A critical engineering feature of the LPR-100 is its extreme low-profile geometry. Unlike standard industrial respirators which often protrude significantly from the face, the LPR-100 utilizes a compact form factor that allows it to fit underneath almost any welding helmet without interfering with the ADF or the welder's field of vision. The mask body is constructed from medical-grade materials that are inherently odor-free, non-allergenic, latex-free, and silicone-free, ensuring biocompatibility for users with sensitivities.

The respiratory system incorporates an exclusive pleated filter design. This pleating significantly increases the surface area of the filter media compared to flat filters, which results in reduced breathing resistance and extended filter life. To manage thermal load, the mask features a large non-return exhaust valve that efficiently evacuates exhaled air, reducing heat buildup and moisture accumulation inside the facepiece. Furthermore, the design minimizes dead air space, limiting the re-breathing of CO2 and keeping the operator cooler during extended shifts. The four-point head strap adjustment system allows for precise tensioning to ensure a leak-free seal across various facial structures.