4 ft 18 W LED Glass Tube (Single/Two‑End Bypass, Type B) – UL Listed, DLC 5.x Certified

Upgrade your fluorescent fixtures to a high-efficiency lighting solution with the 4 ft 18 W Glass LED Linear Tube. This UL‑listed, ballast‑bypass Type B tube supports both single‑end and double‑end wiring, simplifying retrofits in commercial and industrial settings. Each tube delivers approximately 2,700 lumens while consuming only 18 W, representing up to 70% energy savings compared to traditional 32 W T8 bulbs

FAQ
Q1: Do I need to remove the ballast before installation?
A: Yes — this Type B LED tube requires the ballast to be bypassed. It does not operate with the existing fluorescent ballast still in place
Green Light Depot
The Pro Build
.

Q2: Can I wire it single‑end or double‑end?
A: Yes — it supports both single‑end and double‑end wiring, offering flexibility depending on your fixture’s configuration
The Pro Build
Green Light Depot
.

Q3: Is this model eligible for energy rebates?
A: Indeed. With DLC 5.x certification, it’s eligible for utility rebates in many programs