Markertek - The Future of Broadcast Supply

Call 800-522-2025
M-F 8:30am - 7pm EST

Free Shipping Promo Box

FREE SHIPPING No Minimum Order!

SHOP MARKERTEK EVERYDAY for all of your needs. Free shipping on almost every order placed on our website.
Special order & oversized freight intensive items ship at an additional cost. Continental US orders only.
Ask about our new Economy International Shipping Options.

Secure LoginClose X

Returning Markertek Customers

New Markertek Customers

Why Create an Account?

Creating a Markertek account now will save you time on future orders. You'll have full access to your order history and a personalized shopping experience.

4 Outlet Fax/Modem Protector
    Questions? Ask a Markertek Expert:
    800-522-2025 Email

    4 Outlet Fax/Modem Protector

    Manufacturer: Tripp Lite

    Item #: ISOTEL 4   •   MFG #: ISOTEL 4







    Our isolated filter banks and exclusive multiple filter design provide premium spike and noise suppression by eliminating feedback and interference between connected devices. Up to 13,500 joule, 108,000 amp surge handling ability. All standard ISOBARS include $10,000 Ultimate Lifetime Insurance.


    Add Accessories for your ISOTEL 4:



    Continue Shopping View Cart