GVS SPR321 P100 Dust Filter (Pair) — NIOSH Replacement Filters for Elipse & Integra Half Masks

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What the GVS SPR321 P100 Dust Filter Is

It is the P100 particulate replacement filter for the GVS Elipse half-mask system, sold as a matched pair and NIOSH-approved under TC-84A-6949 to capture at least 99.97% of oil and non-oil airborne particulate. As a P100 — the highest particulate class — it is the filter for the fine and hazardous dusts: respirable silica from concrete and stone, wood and drywall dust, lead paint particulate, and metal and welding fume. It fits the Elipse SPR451, SPR457, SPR549 and SPR550 masks and the Elipse Integra, in a low-profile encapsulated design that keeps your sightline clear for dusty, close work.

It is plain P100 — particulate only, with no gas, vapour or nuisance relief — and it is latex and silicone free. For a purely particulate hazard on an Elipse mask, it is the direct dust-and-fume filter; where a task also involves solvent fumes you would need a gas-capable filter instead. Our P100 filter comparison and cartridge selection guide place it against the alternatives.

A Dust and Fume Filter: Where P100 Earns Its Place

The reason to fit a P100 rather than a lighter filter is the nature of the dust. Nuisance dust needs little; the hazards that damage lungs — respirable crystalline silica from cutting concrete and stone, fine wood and MDF dust, drywall and joint-compound dust, lead paint particulate, and welding and metal fume — are exactly what a P100's 99.97% capture is for. On renovation, fabrication, masonry and demolition work, the SPR321 on an Elipse mask is a straightforward particulate answer, and its low profile keeps your vision clear while you work close to the dust.

Two honest limits keep it in its lane. First, the filter is one control, not a whole program: hazards like silica and lead carry OSHA standards with dust suppression, exposure assessment and medical surveillance that a correct filter does not by itself satisfy. Second, it is particulate only — it does nothing for the solvent fumes from finishes, adhesives or coatings, which are a gas hazard needing a different filter. Match the filter to the hazard: fine or toxic dust means P100, and this is the Elipse P100. Our respirator guide covers where it fits in the wider kit.

Pros & Cons

Specifications

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Frequently Asked Questions

What dusts is the SPR321 P100 the right filter for?

P100 is the highest particulate class, so the SPR321 is rated for the serious dusts and fumes: crystalline silica from concrete and stone, wood and MDF dust, drywall and joint-compound dust, lead paint particulate, and metal and welding fume. If your hazard is airborne particulate, a P100 filter captures at least 99.97% of it. It is over-specified for light nuisance dust — where a lower class would do — but it is exactly right where the dust is fine, toxic, or regulated.

Is it good for silica dust from concrete or stone?

Yes — respirable crystalline silica is a fine, hazardous particulate, and P100 is the filter class for it, capturing 99.97%. The filter is one control within a silica program, though, not the whole answer: OSHA's silica standard also expects dust suppression, exposure assessment and, often, a written control plan. The SPR321 handles the filtration side on an Elipse mask; the rest of the program still applies around it.

Will it handle wood dust and renovation work?

Yes. Sanding, cutting and demolition throw fine wood, drywall and concrete dust that a P100 captures well, and the low-profile Elipse filter keeps your vision clear for close work. For a renovation or woodworking role it is a sound particulate choice. Remember it is particulate only — if your task also involves solvent fumes from finishes or adhesives, that is a gas hazard the P100 does not address.

Does it help with mold remediation?

For the particulate side, yes — mold spores are a particulate a P100 captures, so it is a common choice for remediation on an Elipse mask. As always, match the whole task: heavy remediation may call for a higher level of respiratory protection and other controls, and any chemical biocides used bring a gas hazard a particulate filter does not cover. The SPR321 covers the spores, not the chemistry.

Is it plain P100, or does it relieve odours?

Plain P100 particulate — no organic vapour, acid gas or nuisance odour relief. It filters dust and fume, and leaves odour untouched. GVS makes other Elipse filters that add a nuisance-relief carbon layer, but the SPR321 is the straightforward dust filter. If your work has a solvent or odour component you want relief from, that is a different filter; for pure particulate, this is the one.

How is a reusable filter better than a disposable dust mask?

A disposable P100 mask is thrown away whole; the SPR321 lets you keep the Elipse facepiece and swap only the filters, which is cheaper over time and gives a more consistent, adjustable seal than a folded disposable. For occasional light dust a disposable may be simpler, but for regular work the reusable Elipse plus SPR321 filters is the more economical and better-sealing option, and it fit-tests more reliably.

Which masks does it fit?

The GVS Elipse SPR451, SPR457, SPR549 and SPR550 half masks and the Elipse Integra. It is specific to the Elipse system and does not fit 3M or other brands, which use their own filters. A GVS filter belongs on a GVS Elipse mask — NIOSH approval covers the mask and filter as a tested pair, so a filter that merely seats on another brand's facepiece is not an approved combination.

Does the low profile matter for dusty work?

It does. The encapsulated filters are slim and swept close to the face, so they do not block your downward sightline the way bulky cartridges can — useful when you are sanding, cutting or looking into a workpiece all day, and when wearing goggles or a face shield over the mask. On dusty renovation and fabrication work, the clear vision is a genuine practical advantage over a cartridge respirator.

When should I change the dust filters?

On a noticeable rise in breathing resistance as they load with dust, on any damage to the filter or housing, or on your workplace change schedule — whichever comes first. Particulate filters have no end-of-service-life indicator, so harder breathing is your main cue that they are loading up. In heavy dust they load faster, so expect more frequent changes. Replace the pair together so both sides breathe evenly.

Can I knock the dust out and reuse them?

No. Tapping, brushing or blowing a loaded filter drives particles deeper or opens channels through the media, and washing saturates it — either way the NIOSH P100 approval no longer holds. It may look cleaner but it no longer filters to P100. Filters are consumables; replace a loaded pair rather than trying to recover it — our P100 comparison covers the options. The cost of a new pair is small against a lungful of silica.

Is it latex and silicone free?

Yes — the Elipse system and its filters are latex and silicone free. That matters for anyone with a latex sensitivity and for clean processes where silicone transfer is a problem, such as automotive paint prep. If sensitivity is a concern on your crew, the Elipse platform is built to avoid both materials, filters included.

What does it not protect against?

Gases and vapours of any kind — it is particulate only — including carbon monoxide and solvent vapour. It cannot add oxygen, so it is no use in a low-oxygen space, and it must never be worn in an atmosphere immediately dangerous to life or health. It protects only as well as the mask seals, so a fit test and a clean-shaven seal are prerequisites. It is a P100 dust and fume filter, matched to a particulate hazard, and nothing more.