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I love the back brace. It works great. I had wonderful service fast delivery. I would definitely order from them again.
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I ordered some tens electrodes and a TENS unit from them for my fibromyalgia pain. It help me a lot.
Ben J.

IF 4K Digital Interferential Unit

$106.95 $92.50
(You save $14.45)
Calculated at checkout

Product Description

The IF 4K digital interferential offers multiple treatment modes & true Sine Wave technology with an easy to use interface. Six preset IF modes, very easy to use! Look like a cell phone, so more privacy for users. Includes a FREE AC Adapter. Superior Battery Life: Off of the AC Adapter this device will last 2 hours. Other If devices last less than 20 minutes. Very important for that patient who is on the go but still needs IF to make it through the day. True Sine Wave technology: This device produces a true sine wave, important to some practitioners who use a lot of Interferential waveforms. A sine wave means the waveforms is balanced, producting more effective pain relief. Compliance Meter- This device shows how many times the patient has used the device, important for monitoring compliance and effectiveness of pain relief.


* Dual Channel Digital Device

*6 Operations modes

*Waveform: Symmetrical Balanced Sine Wave

*Beat Frequency: 2-160 Hz

*Carrier Frequency: 4000 Hz

*Modulating Frequency: 4002 - 4160 Hz

*Battery low detection

*Treatment Timer: Continuous, 15,30, 45 or 60 minutes

*Usage Timer: Maximum 999 hours to 59 minute

*Automatic Power Off

*Power Source: 4 x 1.5V AA battery

*AC/DC adapter

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To edit this page simply login to the control panel, click the Website Content tab and choose the View Web Pages option. Click Edit next to the Shipping & Returns page and you can change this text. A sample returns policy is shown below which you can edit as needed.

Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.


We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

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