Antra™ AntFi 660 Solar Power Auto Darkening Lens Shade 4/5-9/9-13
Free Gift

Regular price $56.95USD

Auto Darkening Lens for Antra™ Helmets. May fit in other brand helmets, however it is at owner’s risk by doing so and warranty will be voided for lens/filters installed on other brand helmet shields. Please refer to the cross-reference chart, small modification may be required. One year warranty on all Antra™ auto darkening lens.


  • Full time UV protection minimum DIN13 by passive UV filter layer
  • Solar power cell design with replaceable batteries(CR2450, replace without taking lens off from helmet)
  • Fully automatic power ON/OFF.
  • Can be used for MIG/MAG, TIG, ARC welding, Plasma cutting, and grinding.
  • 4 Sensor design ensures higher sensitivity
  • Grinding feature on shade 4 and welding on shade 5-9/9-13
  • Knob to adjust the delay time and sensitivity
  • Cheater lens compatible
  • Battery indicator and testing
  • Power off delay 10 minutes, the filter keeps alive for 10 minutes in dark environment before it goes to sleep.


    • Viewing Area: 96mm x 63.5mm / 3.76"X2.50" 
    • Cartridge Size: 110mm x 90mm x 9mm / 4.33" x 3.54" x 0.35"
    • Optical Class: 1/1/1/2
    • Reaction Time: 0.00004(1/25,000) Seconds 
    • Dark to Light: 0.1-1 Seconds
    • Light State: Shade DIN 4
    • Dark State: Shade DIN 5-9/9-13
    • DC TIG Amperage Rating: >5 Amps
    • Battery: Solar Cell + 1X CR2450 (Battery compartment is located out side of the lens, close to Shade knob).  or Old model AH6-660 ( 2X CR1616,Located on the lens, Lens has to be popped off from the shield) 
    • Operating Temperature: -10°C- 55°C (14°F-131°F)
    • Storage Temperature: -10°C- 55°C (14°F-131°F)
    • Meet Standards: ANSI Z87.1 / EN379 CE / CSA Z94.3
    • Warranty: 1 Year manufacturer warranty


Antra™ Warehouse Sale is committed to 100% customer satisfaction! If you are unsatisfied for any reasons, you may return your purchase within 30 days of the ship date. NO questions asked and NO restocking fees!

 1. Email or call 1-888-450-6788 with your order id to receive your return authorization. If the item is defective or damaged in shipping, we will issue a pre-paid return shipping label. In all other cases, buyer is responsible for return shipping and may ship back the item using the carrier of his/her choice.

 2. We do not accept any returns after 30 days from ship date.

 3. If you believe your package was damaged in shipping, we require that you contact us within 3 days of delivery and we will work with you to quickly resolve the issue.

 4. To cancel an order, please contact Antra™ as soon as possible because we ship out orders very fast! If your order has not yet been shipped, we will immediately refund your payment. If the order has been shipped, we will refund your payment as soon as we have received the item(s) back from your and processed them at our warehouse.

 5. All refund recipients will receive an email confirmation for their records.

 6. Return address will be shown when you fill out the return form.

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