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3M™

3M BT-30/BT-40 Versaflo Breathing Tubes

Item # shown once options are selected
$102.13 - $189.92

The 3M BT-30/BT-40 is the Versaflo breathing tubes for the 3M Versaflo TR-300+ PAPR. Ships in 1–2 business days; most orders arrive in 3–7 business days. Versaflo TR-300+ PAPR: every filter, headtop, part and NIOSH approval on one page.

3M BT-30 specifications

ItemManufacturer data
3M part numbersBT-30, BT-40
SystemVersaflo TR-300+ PAPR
Breathing tubesBT-30 (7100009685), BT-40 (7100105845) (3M Versaflo TR-300 Series parts and accessories (2026))
FitsVersaflo TR-300+/600/800

Source: 3M Versaflo TR-300 Series parts and accessories (2026); 3M Versaflo/Adflo PAPR comparison sheet; NIOSH Certified Equipment List (November 2026); 3M Versaflo S-Series technical specifications (US); 3M Versaflo M-Series user instructions.

3M stock numbers on this page

3M stock number3M part number3M.com listing nameUPCPrevious stock number
7100009685BT-30Versaflo™ BT-30 Breathing Tube·L Adjusting·for TR——
7100105845BT-40Versaflo™ BT-40 Breathing Tube·Heavy-Duty Neoprene——

Source: 3M.com product listings (November 2026); distributor product pages where 3M.com returned no card.

Versaflo TR-300+ PAPR system data

ItemManufacturer data
BlowerTR-302N+ (7100153809) (3M Versaflo TR-300 Series parts and accessories (2026))
BatteryTR-332 high capacity (7100326780 current; 7000052903 older stock on site); 8-12 h run time per 3M Versaflo/Adflo PAPR comparison sheet
FilterTR-3712N HE only (3M Cartridge and Filter Summary (2024); 3M Versaflo/Adflo PAPR comparison sheet)
Breathing tubesBT-30 (7100009685), BT-40 (7100105845) (3M Versaflo TR-300 Series parts and accessories (2026))
APF (3M)headtop-dependent: S-103/S-133 headcovers 25; S-403/433/533/605/607/707/805/807 hoods 1000 (3M Versaflo S-Series technical specifications (US)); M-100/200/300 loose fitting 25, M-400 helmet 1000 (3M Versaflo M-Series user instructions APF table); G5-01 25 or 1000 with kit 46-1000-00 (3M Speedglas G5-01 user instructions)
KitsTR-300N+ ECK Easy Clean Kit: 7100153814; TR-300N+ HIK Heavy Industry Kit: 7100153815; TR-306N+ assembly (heavy duty belt): 7100153813

Source: 3M Versaflo TR-300 Series parts and accessories (2026); 3M Versaflo/Adflo PAPR comparison sheet; NIOSH Certified Equipment List (November 2026); 3M Versaflo S-Series technical specifications (US); 3M Versaflo M-Series user instructions.

NIOSH approval lines recorded for the Versaflo TR-300+ PAPR

  • TC-21C-1000..1005 "Model TR-300+ Powered Air Purifying Respirator with Hood and Filter"
  • TC-21C-1015..1032 "... with Helmet and Filter"
  • TC-21C-1296..1306 TR-300+ PAPR System with S-Series/M-Series/H-Series/9100/9100MP headgear, Back Pack Assemblies, and TR-3712N Filter
  • TC-21C-1326 "TR-300 PAPR System with G5-01 Headgear, Back Pack Assemblies, and TR-3712N Filter"
  • TC-21C-0904..0910 "TR-300 Series Powered Air Purifying Respirator with Loose Fitting Headgear"

Source: NIOSH Certified Equipment List (November 2026), manufacturer 3M Company.

Assigned protection factor

Respirator type (OSHA Table 1)APF
Powered air-purifying loose-fitting facepiece25
Powered air-purifying helmet/hood (manufacturer-tested to APF 1,000)1000
Powered air-purifying half mask50
Powered air-purifying full facepiece1000

Source: OSHA 29 CFR 1910.134 Table 1 (Assigned Protection Factors). The APF applies only when the respirator is used in a program that meets the standard, including fit testing of tight-fitting facepieces (29 CFR 1910.134(f)) and a cartridge change schedule (29 CFR 1910.134(d)(3)(iii)). 3M: headtop-dependent: S-103/S-133 headcovers 25; S-403/433/533/605/607/707/805/807 hoods 1000 (3M Versaflo S-Series technical specifications (US)); M-100/200/300 loose fitting 25, M-400 helmet 1000 (3M Versaflo M-Series user instructions APF table); G5-01 25 or 1000 with kit 46-1000-00 (3M Speedglas G5-01 user instructions)

Catalog data

ItemManufacturer data
Product TypeBreathing tube
Packaging1/case
TypeLength Adjusting Breathing Tube; Loose Fitting; Heavy-Duty Heat-Resistant Neoprene Breathing Tube
ColorBlack
MaterialHeavy-duty neoprene rubber

Source: Manufacturer published product data as carried in our catalog.

3M Versaflo breathing tubes are a replacement part connecting headgear to a PAPR air filter unit, NIOSH approved as part of a complete system. The BT-30 length-adjusting tube fits TR-300/TR-600/TR-800 PAPR units, and the BT-40 is a heavy-duty heat-resistant neoprene tube.

  • Quickly allows attachment between headgear and PAPR air filter unit
  • NIOSH approved when used as part of a complete system
  • Replacement part

3M BT-30 questions

What system does the BT-30 belong to? The 3M Versaflo TR-300+ PAPR.

What is the assigned protection factor with the Versaflo TR-300+ PAPR? headtop-dependent: S-103/S-133 headcovers 25; S-403/433/533/605/607/707/805/807 hoods 1000 (3M Versaflo S-Series technical specifications (US)); M-100/200/300 loose fitting 25, M-400 helmet 1000 (3M Versaflo M-Series user instructions APF table); G5-01 25 or 1000 with kit 46-1000-00 (3M Speedglas G5-01 user instructions).

What battery does the Versaflo TR-300+ PAPR use? TR-332 high capacity (7100326780 current; 7000052903 older stock on site); 8-12 h run time per 3M Versaflo/Adflo PAPR comparison sheet.

What filter does the Versaflo TR-300+ PAPR take? TR-3712N HE only (3M Cartridge and Filter Summary (2024); 3M Versaflo/Adflo PAPR comparison sheet).

Guides: PAPR vs air-purifying respirators · assigned protection factors · all respirators by model and hazard.

Usually ships in 1–2 business days; delivery in 3–7 business days.

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Specifications
Respirator TypeAccessory
Product TypeBreathing tube
ModelBT-30
FitLoose fitting
FeaturesLength adjusting flexible helix
Compatible With3M Versaflo TR-300/TR-600/TR-800 PAPR; V-Series; 3M Versaflo TR-300 PAPR
Packaging1/case
TypeLength Adjusting Breathing Tube; Loose Fitting; Heavy-Duty Heat-Resistant Neoprene Breathing Tube
ColorBlack
Used WithVersaflo™ TR-300 Series PAPR
MaterialHeavy-duty neoprene rubber
3M Part NumberBT-30, BT-40
Shipping & returns

In-stock orders: 1–2 business days to process, then 2–5 business days by ground (3–7 in all); regular rates apply and Contractor Direct orders ship free. Most items can be returned within 30 days in new, resalable condition; respirators, filters and other hygiene items are final sale. Shipping policy · Returns policy

3M BT-30/BT-40 Versaflo Breathing Tubes$102.13+

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