Miller

Miller SA00818 P100 Filters for LPR-100 Respirator, Pair

4.8 (48 reviews)

Keep your Miller LPR-100 respirator performing at its best with these P100-rated replacement filters sold as a ready-to-install pair.

$23.13*
In Stock on Amazon.com
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

The Miller SA00818 P100 Filters are purpose-built replacement cartridges for the Miller LPR-100 Re-Usable Respirator, one of the most widely used half-mask respirators in welding and industrial trades. Carrying the P100 designation from NIOSH, these filters capture at least 99.97% of airborne particulates — including fine welding fumes, grinding dust, and oil-based mists — providing the highest available level of mechanical particulate filtration. The "P" in P100 indicates oil-proof performance, meaning the filters maintain their rated efficiency even in environments where oil aerosols are present, a meaningful advantage over N-rated alternatives in shops where cutting fluids and lubricants are in use.

Constructed from polypropylene filter media, each filter is lightweight enough to keep the overall respirator comfortable during full-shift wear. Installation is simple: the filters attach directly to the LPR-100's filter housing without adapters or tools, making field replacement quick and hassle-free. Each package includes two filters — the standard set for one respirator — so a single purchase covers a complete filter change. For workers who rely on their LPR-100 daily, keeping several pairs in stock ensures there is no gap in respiratory protection when breathing resistance signals it is time for a swap.

Specifications

Brand
Miller
Model
SA00818
Filter Type
P100
Filtration Efficiency
99.97% of Airborne Particulates
Compatibility
Miller LPR-100 Re-Usable Respirator
Package Quantity
2 Filters (Pair)
Material
Polypropylene (PP)

Pros & Cons

👍 Pros

  • P100 rating provides the highest NIOSH particulate filtration efficiency at 99.97%
  • Oil-proof rating makes them suitable for environments with oil-based aerosols
  • Sold as a pair for a complete single replacement cycle
  • Lightweight polypropylene construction keeps the respirator comfortable during extended wear
  • Direct fit onto the Miller LPR-100 with no adapters needed

👎 Cons

  • Compatible only with the Miller LPR-100 respirator, not interchangeable with other models
  • Does not protect against gases or vapors — particulate filtration only
  • No visual wear indicator to signal when replacement is needed
  • Sold only as a single pair, requiring multiple purchases for bulk stocking

Frequently Asked Questions

The Miller SA00818 filters are designed exclusively for the Miller LPR-100 Re-Usable Respirator. They are not compatible with other respirator models or brands.
P100-rated filters remove at least 99.97% of airborne particulates, including dust, fumes, and mists, meeting NIOSH's highest particulate filter rating.
Each package contains a pair of two filters, which is the standard replacement set for the LPR-100 respirator.
Replace them when breathing resistance noticeably increases, when the filters become visibly damaged or soiled, or according to your workplace safety program's schedule — whichever comes first.
Yes. The P100 designation means they are oil-proof and effective in environments where oil-based aerosols may be present, unlike N-series filters.