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Smart Thermometer Probes

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ATIR3: Infrared Temperature Accessory Head Save 20% Save %
$149.99
$149.99 - $149.99
$149.99
$119.99
$119.99 - $119.99
$119.99

ATIR3: Infrared Temperature Accessory Head

5+ in stock

The temperature measured is the average of all the temperatures in the 8:1 cone of viewability. The closer you are to the target, the smaller the...

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$149.99
$149.99 - $149.99
$149.99
$119.99
$119.99 - $119.99
$119.99
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ATH4: Dual Temperature Accessory Head Save 20% Save %
$144.95
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$144.95
$115.95
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$115.95

ATH4: Dual Temperature Accessory Head

5+ in stock

The Fieldpiece Dual-Temperature Accessory, model ATH4, measures two temperatures simultaneously using the included k-type, wrap tab beaded thermoco...

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$144.95
$144.95 - $144.95
$144.95
$115.95
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$115.95
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TEMPERATURE & HUMIDITY METER Save 12% Save %
$249.95
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$249.95
$219.95
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$219.95

TEMPERATURE & HUMIDITY METER

5+ in stock

EM SERIES MEASURE CRITICAL HVACR PARAMETERS TO MAXIMIZE PRODUCTIVITY AND PERFORMANCE Measuring, analyzing and solving environmental problems is par...

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$249.95
$249.95 - $249.95
$249.95
$219.95
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$219.95
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THERMOSTAT GUARDS
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$53.95 - $59.95
$53.95 - $59.95
$53.95
$42.95 - $47.95
$42.95 - $47.95
$42.95

THERMOSTAT GUARDS

5+ in stock

THERMOSTAT GUARDS BTG-K • Clear plastic thermostat guard • Hi-impact plastic • Mounting hardware • Vertical or horizontal mounting BTG-RK • Clear p...

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$53.95 - $59.95
$53.95 - $59.95
$53.95
$42.95 - $47.95
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$42.95
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Save 23% Save %
$21.95
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$21.95
$16.95
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$16.95

DANFOSS THERMOSTATIC EXPANSION VALVES

5+ in stock

THERMOSTATIC EXPANSION VALVES DANFOSS THERMOSTATIC EXPANSION VALVES

$21.95
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$21.95
$16.95
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$16.95
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Uni-T UT39C Digital Multimeter AC DC V/A Ohm Temp Hz Multimeter
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$71.95
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$71.95
$56.95
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$56.95

Uni-T UT39C Digital Multimeter AC DC V/A Ohm Temp Hz Multimeter

5+ in stock

The Uni-T UT39C Digital Multimeter is versatile for measuring various electrical parameters. It can measure AC/DC voltage, current, resistance,...

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$71.95
$71.95 - $71.95
$71.95
$56.95
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$56.95
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Testo Smart Probes Mould Kit - 0563 0005 10
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$544.85
$544.85 - $544.85
$544.85
$429.99
$429.99 - $429.99
$429.99

Testo Smart Probes Mould Kit - 0563 0005 10

5+ in stock

The Testo Smart Probes Mould Kit (0563 0005 10) is a portable and compact kit designed to help identify and prevent mold growth in indoor environ...

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$544.85
$544.85 - $544.85
$544.85
$429.99
$429.99 - $429.99
$429.99
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Testo Smart Probes Ac & Refrigeration Test Kit Plus
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$1,524.95
$1,524.95 - $1,524.95
$1,524.95
$1,169.99
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$1,169.99

Testo Smart Probes Ac & Refrigeration Test Kit Plus

5+ in stock

This special kit called Testo Smart Probes AC & Refrigeration Test Kit Plus is like a superhero for fixing and checking air conditioners and re...

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$1,524.95
$1,524.95 - $1,524.95
$1,524.95
$1,169.99
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$1,169.99
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Testo Smart Probes Hvac/r Ultimate Kit
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$3,199.99
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$3,199.99
$2,899.99
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$2,899.99

Testo Smart Probes Hvac/r Ultimate Kit

5+ in stock

Enhance Your HVAC Work with the Testo Smart Probes Kit Hey there! This cool kit is perfect for professionals working with heating, air conditioning...

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$3,199.99
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$3,199.99
$2,899.99
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$2,899.99
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Testo Test Kit | Smart Probes AC & Refrigeration Testing – HVAC Shop
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$901.95
$901.95 - $901.95
$901.95
$699.99
$699.99 - $699.99
$699.99

Testo Test Kit | Smart Probes AC & Refrigeration Testing – HVAC Shop

5+ in stock

Application-specific measurement menus for superheating/subcooling More than 90 common refrigerants plus refrigerant updates in the testo Smart Ap...

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$901.95
$901.95 - $901.95
$901.95
$699.99
$699.99 - $699.99
$699.99
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Testo 915i - Wireless Thermometer With Flexible Temperature Probe
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$243.95
$243.95 - $243.95
$243.95
$194.95
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$194.95

Testo 915i - Wireless Thermometer With Flexible Temperature Probe

Out of stock

The Testo 915i wireless thermometer with a flexible probe allows you to perform instant read temperature measurements with greater speed, flexib...

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$243.95
$243.95 - $243.95
$243.95
$194.95
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$194.95
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Testo 915i Bluetooth Thermometer | Wireless Temperature Measurement
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$259.95
$259.95 - $259.95
$259.95
$229.99
$229.99 - $229.99
$229.99

Testo 915i Bluetooth Thermometer | Wireless Temperature Measurement

5+ in stock

Measure temperatures in liquids, semi-solid media, and pastes. The wireless thermometer testo 915i with robust, fast-response immersion/penetrat...

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$259.95
$259.95 - $259.95
$259.95
$229.99
$229.99 - $229.99
$229.99
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Uni-T UT330A USB Temperature Datalogger
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$131.95
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$131.95
$104.95
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$104.95

Uni-T UT330A USB Temperature Datalogger

Out of stock

UT330-USB series dataloggers use high-precision temperature, humidity and atmospheric pressure sensors for long period monitor and record. UT330-US...

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$131.95
$131.95 - $131.95
$131.95
$104.95
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$104.95
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Uni-T UTA13T Digital Temperature Humidity Meter & Monitor
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$44.95
$44.95 - $44.95
$44.95
$35.95
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$35.95

Uni-T UTA13T Digital Temperature Humidity Meter & Monitor

5+ in stock

The A13T can measure -10℃～50℃ temperature in 0.1℃ resolution. With the large LCD screen and user-friendly operating interface, users can easily che...

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$44.95
$44.95 - $44.95
$44.95
$35.95
$35.95 - $35.95
$35.95
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Uni-T UT333BT Mini Temperature & Humidity Meter
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$79.95
$79.95 - $79.95
$79.95
$63.95
$63.95 - $63.95
$63.95

Uni-T UT333BT Mini Temperature & Humidity Meter

5+ in stock

UNI-T UT333BT Bluetooth Digital LCD Thermometer Hygrometer Mini Temperature Humidity Meter UT333 BT is lightweight and ergonomically designed with ...

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$79.95
$79.95 - $79.95
$79.95
$63.95
$63.95 - $63.95
$63.95
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Uni-T UT330C USB Temperature, Humidity & Pressure Datalogger
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$228.95
$228.95 - $228.95
$228.95
$182.95
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$182.95

Uni-T UT330C USB Temperature, Humidity & Pressure Datalogger

5+ in stock

USB Data Logger for Temperature Humidity and Pressure UT330-USB series dataloggers use high-precision temperature, humidity and atmospheric press...

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$228.95
$228.95 - $228.95
$228.95
$182.95
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$182.95
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Testo 175 H1 Temperature & Humidity Logger - 0572 1754
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$844.95
$844.95 - $844.95
$844.95
$675.95
$675.95 - $675.95
$675.95

Testo 175 H1 Temperature & Humidity Logger - 0572 1754

5+ in stock

The Testo 175H1 is a compact professional data logger for monitoring Temperature, Humidity & Dew Point. The external temperature & hu...

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$844.95
$844.95 - $844.95
$844.95
$675.95
$675.95 - $675.95
$675.95
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Testo 175T3 Dual Thermocouple Logger | High-Precision Temperature Monitoring
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$623.95
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$623.95
$498.95
$498.95 - $498.95
$498.95

Testo 175T3 Dual Thermocouple Logger | High-Precision Temperature Monitoring

5+ in stock

Testo 175T3 Temperature Data Logger – Precision, Reliability, and Compliance The Testo 175T3 is a 2-channel (2x external probes) data logger ...

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$623.95
$623.95 - $623.95
$623.95
$498.95
$498.95 - $498.95
$498.95
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Testo 175 T1 Temperature Data Logger - 0572 1751
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$419.95
$419.95 - $419.95
$419.95
$335.95
$335.95 - $335.95
$335.95

Testo 175 T1 Temperature Data Logger - 0572 1751

5+ in stock

The Testo 175 T1 temperature data logger is ideal for monitoring storage temperatures and long-term monitoring. It is certified for use in fo...

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$419.95
$419.95 - $419.95
$419.95
$335.95
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$335.95
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Testo 175 T2 - Two Channel Temperature Logger - 0572 1752
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$518.95
$518.95 - $518.95
$518.95
$414.95
$414.95 - $414.95
$414.95

Testo 175 T2 - Two Channel Temperature Logger - 0572 1752

5+ in stock

The Testo 175T2 is a compact two channel (1 x Internal | 1 x External) data logger for the long-term monitoring of refrigerated and deep-free...

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$518.95
$518.95 - $518.95
$518.95
$414.95
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$414.95
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Fieldpiece Dual Input Temperature Meter ST4
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$279.95
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$279.95
$223.95
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$223.95

Fieldpiece ST4 Dual-Input Temperature Meter | T1, T2 & Delta T | Type K

Out of stock

Fieldpiece ST4 Dual-Input Temperature Meter — T1, T2 & Delta T | Type K Thermocouple The Fieldpiece ST4 is a dual-input temperature meter desi...

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$279.95
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$279.95
$223.95
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$223.95
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Fieldpiece Probe And IR Temperature Pocket Style Tool - SPK3
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$278.95
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$278.95
$222.95
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$222.95

Fieldpiece SPK3 Pocket IR & Rod Thermometer | In-Duct & Register Temps

5+ in stock

Fieldpiece SPK3 Pocket IR & Rod Thermometer — In-Duct, Register & Ambient Temperature The Fieldpiece SPK3 is a compact pocket-sized thermo...

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$278.95
$278.95 - $278.95
$278.95
$222.95
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$222.95
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Testo 835t2 High-Temperature Ir Thermometer - 0560 8352
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$1,283.95
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$1,283.95
$1,026.95
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$1,026.95

Testo 835-T2 High-Temperature IR Thermometer | 1500°C | 50:1 | 0560 8352

5+ in stock

Testo 835-T2 High-Temperature Infrared Thermometer — Up to 1500°C | 50:1 Optics | SKU: 0560 8352 The Testo 835-T2 is a professional non-contact in...

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$1,283.95
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$1,283.95
$1,026.95
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$1,026.95
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Testo 405i - Hot-wire Anemometer Wireless Smart Probe
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$333.95
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$333.95
$266.95
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$266.95

Testo 405i Wireless Hot-Wire Anemometer Smart Probe | 0560 1405

5+ in stock

Testo 405i Wireless Hot-Wire Anemometer Smart Probe — SKU: 0560 1405 The Testo 405i is a wireless thermal (hot-wire) anemometer from the Testo Sma...

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$333.95
$333.95 - $333.95
$333.95
$266.95
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$266.95
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When it comes to managing cool rooms, freezers, HVAC systems, or commercial refrigeration, having reliable thermometer probes is essential. Our range of wired and wireless probes, clamp sensors, penetration tips, and surface thermometers is designed to take the guesswork out of maintaining the perfect temperature—no specialist needed.

Perfect for business owners, facility managers, and homeowners who value precision, these probes deliver accurate readings, user-friendly calibration options, and early-warning indicators so you can stay ahead of issues before they escalate.

Built tough for demanding environments, many of our probes are ideal for hospitality, cold storage, and climate-controlled spaces. They may look simple, but under the surface you’ll find the essentials: intuitive resets, clear visual indicators, smart sensor support, and adaptive functionality.

With a little routine maintenance—like a quick sensor wipe and visual inspection—you can trust these instruments to deliver years of reliable performance without fuss.

Don’t wait for an emergency to catch you off guard—upgrade your monitoring or replace unreliable sensors today. Explore our range of thermometer probes and keep your environment running at its best.

Popular Probe & Controller References

  • Dixell NTC Probe N6GP series — 1.5 m (N6GP-1.5), 3.0 m (N6GP-3.0), 10 m (N6GP-10)
  • Uni-T UTT10K / UT-T10K Temperature Probe (10K NTC)
  • Testo Smart Probes HVAC/R Ultimate Kit 0563 0002 32
  • Dixell Controllers: XR20CX-B (Med Temp, NTC), XR30CX-B (Med Temp + Alarm, NTC), XR40CX-B (Low Temp, 2×NTC), XR60CX-B (Low Temp, NTC)
  • CAREL: IR33 On/Off Temperature Controller; PJEZSOH000 Medium Temp Easy Control (230 V)
  • Accessories that pair with probes: Dixell Relay 30AMP (RELAY30); Dixell C-Box Plastic Enclosure 120×120×100 (C-BOX)

Note: Model names above are included for shopper guidance; availability may vary by location or bundle.

Looking for brand-matched sensors? Browse Testo thermometers & probes, Fieldpiece meters & probes, Dixell NTC probes, CAREL controllers — all compatible picks in one place.

Need practical tips before you buy? Visit the HVAC Trade Supply blog for quick guides on probe types, care, and calibration basics.

Selection Tips

  • Match sensor type: Most cool-room controllers use 10k NTC probes—confirm with your controller manual.
  • Choose the right form: Penetration for product core, air probe for ambient, surface/clamp for pipe temperature.
  • Cable length: Pick 1.5–10 m to suit controller location and avoid splices.
  • Ingress protection: Use proper enclosures and strain reliefs in wet or wash-down areas.
  • Maintenance: Wipe sensors, check cable nicks, and re-seat terminals during routine service.

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