3M Secure Click D8006 Multi-Gas Cartridge — TC-23C, HF-800 and FF-800

As an Amazon Associate, WC Safety earns from qualifying purchases. This does not affect the price you pay.

What the 3M Secure Click D8006 Multi-Gas Cartridge Covers

3M lists NIOSH-approved protection against certain organic vapours, chlorine, hydrogen chloride, sulfur dioxide, hydrogen fluoride, ammonia, methylamine, formaldehyde, and chlorine dioxide — plus hydrogen sulfide for escape only. For a facility meeting several of those across a week, one cartridge on the shelf beats four. The dual-flow construction is the other headline: because a respirator wears two cartridges, a dual-flow pair yields four airflow paths, which is 3M's quad-flow description, and the benefit is lower breathing resistance on long or strenuous wears. Our how to choose a respirator cartridge guide covers the selection logic, and the 3M filter and cartridge guide maps the wider range.

The TC-23C class on the approval is worth knowing how to read. It marks this as a gas and vapour approval; particulate filters carry TC-21C instead. That distinction is the most reliable way to separate rated gas protection from a filter that merely carries a comfort sorbent for odour — marketing language varies between products, but approval class does not. Note too how 3M frames its gas list: the company directs users to its Respirator Selection Guide for the comprehensive chemical list, so the printed families summarise coverage rather than replace checking your specific substance and concentration against its safety data sheet.

Where the D8006 Sits in the Secure Click Range

Gas coverage narrows and widens across the platform. The D8001 handles organic vapour alone; the D8003 adds acid gas; the D8006 opens out to the full multi-gas list. Add particulate and the range mirrors itself: D80921 for organic vapour with P100, D80923 for organic vapour and acid gas with P100, and D80926 for multi-gas with P100.

Where particulate is the whole hazard, a filter alone does the job — the D3091 P100 or the hard-case D9093. Be careful with the nuisance-relief filters in this family: the D3096 and D3097 add odour relief below the exposure limit, which is comfort rather than rated gas protection — and their approvals are particulate-class for exactly that reason. The D8006 is the rated answer. If you are on the older bayonet platform, the equivalents are the 6006 and 60926, and the full range sits in 3M filters and cartridges.

Pros & Cons

Specifications

Related Guides

Related Products

Frequently Asked Questions

Does "multi-gas" mean it covers carbon monoxide?

No. No air-purifying cartridge from any manufacturer filters carbon monoxide — the sorbent chemistry these cartridges rely on does not remove it. Carbon monoxide requires supplied air or self-contained breathing apparatus. This is the single most dangerous assumption people make about broad-spectrum cartridges, and it applies to every multi-gas product on the market, not just this one.

Is this a work cartridge for hydrogen sulfide?

No — hydrogen sulfide appears on this approval for ESCAPE only, not for routine work exposure. That is a meaningful distinction: escape coverage exists so you can get out of an area, not so you can work in one. If H2S is a known exposure in your task, that requires a different respiratory strategy entirely, and you should confirm the escape limitation against the approval label before relying on this cartridge in any H2S environment.

The approval mentions CD — is that carbon dioxide?

No, CD is chlorine dioxide, used in pulp bleaching, water treatment, and decontamination work. Carbon dioxide is a different substance entirely and is not on the approval — nor would a cartridge address it, since a CO2-rich atmosphere displaces oxygen rather than contaminating it, which is a supplied-air problem.

What does the TC-23C approval class tell me?

It identifies the cartridge as a gas and vapour approval rather than a particulate one. Particulate filters carry TC-21C class approvals instead. The approval class is the most reliable way to tell rated gas protection from a filter that merely includes a comfort sorbent for odour — marketing language varies, but approval class does not.

How do I confirm my specific chemical is actually covered?

Check it, do not infer it. 3M publishes a Respirator Selection Guide precisely because the named gas families on a cartridge are a summary rather than a complete list, and coverage depends on the specific substance and its concentration. Start from your material's safety data sheet, match it against the selection guide, and confirm the exposure level sits within the cartridge's rated limits.

Formaldehyde is on the list — does that make it straightforward?

It makes it covered, not straightforward. Formaldehyde has poor warning properties, this cartridge carries no end-of-service-life indicator, and formaldehyde is a regulated carcinogen with its own OSHA standard. That combination means a written cartridge change schedule built from an exposure assessment is required rather than optional — there is no signal that tells you the sorbent is spent.

Can I judge replacement by smell with these gases?

No, and this cartridge's gas list is a good illustration of why. Formaldehyde gives poor warning. Ammonia has a sharp odour but produces olfactory fatigue, so detection fades with exposure. Hydrogen sulfide notoriously deadens the sense of smell at higher concentrations — one reason its coverage here is escape only. Change on a written schedule, and treat any odour, taste, irritation, or rising breathing resistance as an immediate reason to leave the area.

What is dual-flow, and what does quad-flow mean?

Dual-flow describes the internal airflow path through a single cartridge. Because a respirator wears two cartridges, a dual-flow pair produces four airflow paths in total — which is where 3M's quad-flow description comes from. The practical effect is lower breathing resistance, and lower resistance matters most on long wears and in physically demanding work, where breathing effort accumulates into genuine fatigue.

Can I fit a Secure Click cartridge to a bayonet respirator?

No. Secure Click uses a push-and-lock connection found on the HF-800 and FF-800 Series only, while 3M's bayonet respirators — the 6000, 6500, 7500, 7800S, and FF-400 Series — use a different fitting entirely. Beyond the physical mismatch, NIOSH approval covers the respirator and cartridge as a tested assembly, so combining components across platforms voids the approval even where something appears to seat.

What if I need particulate protection as well?

Choose the D80926, which is this same multi-gas coverage with an integrated P100 filter. If the combination you need is different — organic vapour with P100, or organic vapour and acid gas with P100 — the D80921 and D80923 cover those pairings on the same platform. Where particulate is the entire hazard, a standalone P100 filter such as the D3091 is the simpler answer.

Does it help with welding fume?

Only partly, and understanding the gap matters. Welding produces both particulate fume and gases, and this cartridge addresses gases but no particulate at all. Even a P100 addition would not cover ozone, which welding arcs generate and which no particulate filter removes. Welding respiratory protection is a ventilation and process question first, with the respirator chosen against a specific exposure assessment.

Do both cartridges have to be changed together?

Yes. They are supplied and worn as a pair, both drawing air equally, so both approach the end of their service life together. Replacing one and leaving the other gives you uneven breathing resistance and an unknown remaining capacity on the older side — neither of which you want to discover partway through a task.

How should cartridges be stored between shifts?

Sealed in a clean bag or container, away from the work area. Sorbent continues adsorbing whatever surrounds it whether or not anyone is wearing the respirator, so a cartridge left out in a contaminated space is spending its capacity on nothing. Storage also does not pause a change schedule — once a cartridge enters service, elapsed time counts against it.

Is a fit test still required if I have the right cartridge?

Yes, and the cartridge choice is wasted without it. Contaminated air follows the path of least resistance, and a poor face seal is an easier path than a sorbent bed, so an unfitted respirator can deliver contaminated air regardless of what is mounted on it. Fit testing verifies the seal, facial hair along the sealing surface defeats it, and a medical evaluation precedes both under a respiratory protection programme.