{
  "_about": "Corrected review dataset: 12 separate model/configuration records, including splitting JSP Active IP and Infinity. Only supported selected fields retained. No independent measurements. Unknown prices remain null; no ownership ranking. Reviewed September 30, 2026.",
  "checked": "2026-09-30",
  "products": [
    {
      "id": "breathie",
      "name": "Breathie Thingy",
      "maker": "Fish Bladder Woodworking",
      "type": "Loose-fitting hood, belt blower",
      "fit": "loose",
      "price_usd": 499,
      "price_note": "first 30 per monthly batch; $589 after",
      "price_source": "https://fishbladderwoodworking.com/",
      "price_date": "2026-09-30",
      "certification": "Existing site declares EN 12941 TH3; certificate not verified in this review",
      "niosh": "No (NIOSH certification: none)",
      "airflow_lpm": "170 / 210 / 250",
      "runtime_h": "up to 8 (low)",
      "charge_h": "3-4",
      "total_weight_g": null,
      "head_weight_g": null,
      "belt_weight_g": 1200,
      "weight_note": "blower 1,200 g (mfr); hood not yet weighed",
      "noise_db": "<65 dB(A)",
      "filter_cost_usd": 14.99,
      "filter_note": "P3 main filter",
      "battery_cost_usd": 65,
      "visor_cost_usd": 14.99,
      "other_consumables": "Complete filter kit $22.99",
      "beard": "Yes — no face seal",
      "glasses": "Yes — under hood",
      "impact_rating": "None",
      "best_for": "Loose hood and belt-mounted blower",
      "limitations": "No NIOSH certification; no impact-rated visor; preorder delivery is estimated",
      "spec_source": "https://fishbladderwoodworking.com/",
      "cost_total_status": "Not calculated: replacement frequencies are assumptions, kit completeness and all required consumables have not been verified."
    },
    {
      "id": "air3",
      "name": "MicroClimate Air3",
      "maker": "MicroClimate",
      "type": "Head-mounted helmet PAPR (all-in-one)",
      "fit": "loose",
      "price_usd": 599,
      "price_note": "Manufacturer listing; taxes/shipping and options excluded",
      "price_source": "https://microclimate.com/products/air3",
      "price_date": "2026-09-30",
      "certification": "NIOSH TC-21C-1374, loose-fitting PAPR (APF 25)",
      "niosh": "Yes",
      "airflow_lpm": "200 initial; 175 minimum",
      "runtime_h": "Up to 8; manufacturer stated",
      "charge_h": "3.5 (USB-C)",
      "total_weight_g": 1440,
      "head_weight_g": 1440,
      "belt_weight_g": 0,
      "weight_note": "3.17 lb all on the head",
      "noise_db": "70 dB",
      "filter_cost_usd": 99,
      "filter_note": "Replacement filter listed $99",
      "battery_cost_usd": 99,
      "visor_cost_usd": 89,
      "other_consumables": "n/s",
      "beard": "Yes — loose-fitting",
      "glasses": "Yes",
      "impact_rating": "ANSI Z87+ visor",
      "best_for": "Manufacturer lists NIOSH TC-21C-1374 and ANSI Z87+ visor",
      "limitations": "Head-mounted system; battery replacement is manufacturer service, not user replacement",
      "spec_source": "https://microclimate.com/products/air3",
      "cost_total_status": "Not calculated: replacement frequencies are assumptions, kit completeness and all required consumables have not been verified."
    },
    {
      "id": "versaflo",
      "name": "3M Versaflo TR-300N+ (Easy Clean kit)",
      "maker": "3M",
      "type": "Belt blower + hood",
      "fit": "loose",
      "price_usd": null,
      "price_note": "Exact complete-kit price not independently verified",
      "price_source": "https://multimedia.3m.com/mws/media/1290291O/versaflo-tr-300-vs-tr-600-chart.pdf",
      "price_date": "2026-09-30",
      "certification": "NIOSH-approved system (HE filter TR-3712N)",
      "niosh": "Yes",
      "airflow_lpm": "185 / 205",
      "runtime_h": "8-12 (TR-332 battery)",
      "charge_h": "<3.5",
      "total_weight_g": null,
      "head_weight_g": null,
      "belt_weight_g": 748,
      "weight_note": "blower 0.85 lb + battery 0.8 lb (3M chart)",
      "noise_db": "n/s",
      "filter_cost_usd": null,
      "filter_note": "Replacement cost not verified",
      "battery_cost_usd": null,
      "visor_cost_usd": null,
      "other_consumables": "Hood, prefilters",
      "beard": "Yes — loose hood",
      "glasses": "Yes",
      "impact_rating": "Depends on headtop",
      "best_for": "NIOSH-approved configurations with multiple compatible headtops",
      "limitations": "TR-300+ is particulate-only; gas/vapour cartridges are not available for this model",
      "spec_source": "https://multimedia.3m.com/mws/media/1290291O/versaflo-tr-300-vs-tr-600-chart.pdf",
      "cost_total_status": "Not calculated: replacement frequencies are assumptions, kit completeness and all required consumables have not been verified."
    },
    {
      "id": "trend",
      "name": "Trend Airshield Pro U*AIR/PRO (US 120V)",
      "type": "Head-mounted powered face shield",
      "certification": "Maker lists BS EN 12941 TH2P-S; explicitly not NIOSH approved",
      "niosh": "No, manufacturer explicit",
      "impact_rating": "Maker lists ANSI Z87+ high impact",
      "spec_source": "https://www.trend-usa.com/u-air-pro-air-pro-face-shield-usa-120v",
      "price_usd": null,
      "price_note": "Complete US kit and current price not verified; no numerical price comparison.",
      "price_source": "https://www.trend-usa.com/u-air-pro-air-pro-face-shield-usa-120v",
      "price_date": null,
      "airflow_lpm": "5.6–7.06 cfm, stated",
      "runtime_h": "8-hour battery, stated",
      "weight_note": "2.405 lb including battery, manufacturer stated",
      "limitations": "Use only the exact approved components and manufacturer instructions.",
      "filter_cost_usd": null,
      "battery_cost_usd": null,
      "visor_cost_usd": null,
      "reviewed": "2026-09-30",
      "cost_total_status": "Withheld: complete kit and required replacement costs are not verified."
    },
    {
      "id": "jsp_active",
      "name": "JSP Powercap Active IP CAE602-941-100",
      "type": "Bump cap with powered face shield",
      "certification": "EN 12941+A2 TH1P; EN 812+A1 bump cap; UK APF 10",
      "niosh": "Not established by the manufacturer source reviewed",
      "impact_rating": "EN 166, maker states impact faceshield",
      "spec_source": "https://www.jspsafety.com/mobile/productinfo.aspx?catref=cae602-941-100&pdf=yes&title=powercap-active-ip-8hr-black",
      "price_usd": null,
      "price_note": "Complete US kit and current price not verified; no numerical price comparison.",
      "price_source": "https://www.jspsafety.com/mobile/productinfo.aspx?catref=cae602-941-100&pdf=yes&title=powercap-active-ip-8hr-black",
      "price_date": null,
      "airflow_lpm": "160 L/min",
      "runtime_h": "8-hour model; test conditions not independently checked",
      "weight_note": "Not verified",
      "limitations": "Bump cap is distinct from a hard hat. Do not transfer Infinity approvals, weight or protection class to this model.",
      "filter_cost_usd": null,
      "battery_cost_usd": null,
      "visor_cost_usd": null,
      "reviewed": "2026-09-30",
      "cost_total_status": "Withheld: complete kit and required replacement costs are not verified."
    },
    {
      "id": "jsp_infinity",
      "name": "JSP Powercap Infinity",
      "type": "Hard hat with powered face shield",
      "certification": "Maker lists EN 12941 TH3; EN 397 helmet",
      "niosh": "No, JSP support explicitly states not NIOSH-approved",
      "impact_rating": "Maker lists integrated visor protection; exact visor marking/configuration must be checked",
      "spec_source": "https://jspsafety.com/contentpage/infinity",
      "price_usd": null,
      "price_note": "Complete US kit and current price not verified; no numerical price comparison.",
      "price_source": "https://jspsafety.com/contentpage/infinity",
      "price_date": null,
      "airflow_lpm": "160 L/min minimum",
      "runtime_h": "Not verified",
      "weight_note": "Not verified",
      "limitations": "Separate model from Active IP. NIOSH status source: https://support.jspsafety.com/powered-air-respirators",
      "filter_cost_usd": null,
      "battery_cost_usd": null,
      "visor_cost_usd": null,
      "reviewed": "2026-09-30",
      "cost_total_status": "Withheld: complete kit and required replacement costs are not verified."
    },
    {
      "id": "drager",
      "name": "Dräger X-plore 8500",
      "type": "Belt blower with configuration-dependent headpiece",
      "certification": "US catalog lists NIOSH 42 CFR 84 approved configurations; EN classes depend on headpiece",
      "niosh": "Approved configurations, not every arbitrary combination",
      "impact_rating": "Depends on chosen headpiece",
      "spec_source": "https://www.draeger.com/en-us_us/Products/X-plore-8500",
      "price_usd": null,
      "price_note": "Complete US kit and current price not verified; no numerical price comparison.",
      "price_source": "https://www.draeger.com/en-us_us/Products/X-plore-8500",
      "price_date": null,
      "airflow_lpm": "170 / 190 / 210 L/min for loose-fitting headpieces",
      "runtime_h": "Standard 4–8 h; high-capacity 8–20 h",
      "weight_note": "3.09 lb stated unit weight; not a complete headpiece system",
      "limitations": "Gas/particle protection depends on approved filter and headpiece. NIOSH catalog: https://www.draeger.com/Content/Documents/Content/Product-Catalogue-safety-ebk-9108764-en-us.pdf",
      "filter_cost_usd": null,
      "battery_cost_usd": null,
      "visor_cost_usd": null,
      "reviewed": "2026-09-30",
      "cost_total_status": "Withheld: complete kit and required replacement costs are not verified."
    },
    {
      "id": "cleanair",
      "name": "CleanAIR Basic / Peke CleanAir HEPA listing",
      "type": "Belt blower with selected headpiece",
      "certification": "Maker Basic page and seller listing state EN 12941 TH3",
      "niosh": "Not established for the exact US kit",
      "impact_rating": "Depends on headpiece; not verified here",
      "spec_source": "https://www.clean-air.cz/cs/system-osobni-ochrany-dychacich-cest/cleanair-basic/",
      "price_usd": null,
      "price_note": "Complete US kit and current price not verified; no numerical price comparison.",
      "price_source": "https://www.clean-air.cz/cs/system-osobni-ochrany-dychacich-cest/cleanair-basic/",
      "price_date": null,
      "airflow_lpm": "170–240 L/min",
      "runtime_h": "Not verified",
      "weight_note": "Not verified",
      "limitations": "Exact maker part-number mapping to the seller kit remains pending. Seller charge-time figures conflict (2 h versus under 5 h); no charge comparison. Seller: https://pekesafety.com/products/cleanair-hepa-papr-system",
      "filter_cost_usd": null,
      "battery_cost_usd": null,
      "visor_cost_usd": null,
      "reviewed": "2026-09-30",
      "cost_total_status": "Withheld: complete kit and required replacement costs are not verified."
    },
    {
      "id": "sundstrom",
      "name": "Sundström SR 500 / SR 570 with bump cap H06-6621 (US)",
      "type": "Belt blower and loose-fitting face shield",
      "certification": "NIOSH 42 CFR part 84; ANSI/ISEA Z87.1-2020; maker lists APF 25",
      "niosh": "Yes, exact manufacturer kit",
      "impact_rating": "ANSI/ISEA Z87.1-2020 listed; verify exact impact marking",
      "spec_source": "https://srsafety.com/en-US/product/sr-500-sr-570-with-bump-cap-2",
      "price_usd": null,
      "price_note": "Complete US kit and current price not verified; no numerical price comparison.",
      "price_source": "https://srsafety.com/en-US/product/sr-500-sr-570-with-bump-cap-2",
      "price_date": null,
      "airflow_lpm": "Not verified",
      "runtime_h": "Not verified",
      "weight_note": "Not verified",
      "limitations": "Kit includes blower, SR570 bump-cap shield, hose, battery, charger, belt, flow meter, covers and two HE filters. Gas capability is not inferred for this particulate kit.",
      "filter_cost_usd": null,
      "battery_cost_usd": null,
      "visor_cost_usd": null,
      "reviewed": "2026-09-30",
      "cost_total_status": "Withheld: complete kit and required replacement costs are not verified."
    },
    {
      "id": "cleanspace_work",
      "name": "CleanSpace WORK (current US kit)",
      "type": "Tight-fitting half mask, neck-worn power unit",
      "certification": "Maker lists NIOSH PAPR",
      "niosh": "Yes, maker-listed approved system",
      "impact_rating": "No integrated eye protection",
      "spec_source": "https://cleanspacetechnology.com/en-us/cleanspace-work/",
      "price_usd": null,
      "price_note": "Complete US kit and current price not verified; no numerical price comparison.",
      "price_source": "https://cleanspacetechnology.com/en-us/cleanspace-work/",
      "price_date": null,
      "airflow_lpm": "200 L/min peak; breath responsive",
      "runtime_h": "Up to 8 hours",
      "weight_note": "Power unit 350 g; mask and complete system not included",
      "limitations": "Tight seal required; facial hair must not interfere. Particulate-only; recharge under 2 h to 95%, not a full-charge timing claim.",
      "filter_cost_usd": null,
      "battery_cost_usd": null,
      "visor_cost_usd": null,
      "reviewed": "2026-09-30",
      "cost_total_status": "Withheld: complete kit and required replacement costs are not verified."
    },
    {
      "id": "cleanspace_ultra",
      "name": "CleanSpace CST ULTRA CST1011 (current US model)",
      "type": "Tight-fitting half/full mask system",
      "certification": "Maker lists TC-21C-1270/1271/1340/1341 for specified mask/filter configurations",
      "niosh": "Yes, specified US configurations",
      "impact_rating": "Mask-specific; not verified here",
      "spec_source": "https://cleanspacetechnology.com/en-us/cleanspace-cst-ultra/",
      "price_usd": null,
      "price_note": "Complete US kit and current price not verified; no numerical price comparison.",
      "price_source": "https://cleanspacetechnology.com/en-us/cleanspace-cst-ultra/",
      "price_date": null,
      "airflow_lpm": "Not verified",
      "runtime_h": "Not verified",
      "weight_note": "Not verified",
      "limitations": "Current CST model is distinct from unspecified legacy ULTRA listings. Do not carry over legacy price, weight or runtime. Tight face seal required.",
      "filter_cost_usd": null,
      "battery_cost_usd": null,
      "visor_cost_usd": null,
      "reviewed": "2026-09-30",
      "cost_total_status": "Withheld: complete kit and required replacement costs are not verified."
    },
    {
      "id": "coolair",
      "name": "CoolAir bundle (Peke listing)",
      "type": "Belt fan with face shield, seller described",
      "certification": "Seller describes N95 equivalence; no respiratory approval document verified",
      "niosh": "Not established",
      "impact_rating": "Seller describes Z87 Plus shield; approval document not inspected",
      "spec_source": "https://pekesafety.com/products/coolair-papr-bundle",
      "price_usd": null,
      "price_note": "Complete US kit and current price not verified; no numerical price comparison.",
      "price_source": "https://pekesafety.com/products/coolair-papr-bundle",
      "price_date": null,
      "airflow_lpm": "Not verified",
      "runtime_h": "Not verified",
      "weight_note": "Not verified",
      "limitations": "N95-equivalent marketing is not evidence of NIOSH certification. The original 94% figure was not located in the current page; removed. No protection-class comparison.",
      "filter_cost_usd": null,
      "battery_cost_usd": null,
      "visor_cost_usd": null,
      "reviewed": "2026-09-30",
      "cost_total_status": "Withheld: complete kit and required replacement costs are not verified."
    }
  ],
  "general_sources": {
    "tight_fitting_facial_hair": "OSHA 29 CFR 1910.134(g)(1)(i): tight-fitting facepieces may not be worn with facial hair that comes between the sealing surface and the face — https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.134",
    "third_party_review_air3": "Canadian Woodworking, Chad Martin, Nov 23 2025 — https://canadianwoodworking.com/tools/microclimate-air3-kit/",
    "forum_context": "Sawmill Creek 'PAPR - which one?' thread, Dec 2024 — https://sawmillcreek.org/goto/post?id=3346148"
  },
  "review_limits": "Manufacturer approval claims apply to specified configurations, regions and components. Seller-only claims are labeled. Prices/consumables not confirmed are blank; noise and weight conditions are not comparable. Research coverage does not mean certification independently validated.",
  "certification_review": {
    "current_breathie": "No matching EN type-examination certificate located in targeted HQ and Downloads filename searches. Unison UN9100D public page is a specification/declaration, not an inspectable certificate.",
    "different_product_document": "Downloads CE_24-093a names Bengbu Longkai BXH-3001 auto-darkening welding helmet, certificate 1024/E-093/2024, Module B, with Module C2 requirement. It does not document current Breathie/Unison hood. Issuer authenticity and ongoing conformity not independently validated.",
    "source": "https://www.unison-tools.com/un9100d-2-product/"
  }
}