Tubing for neon signs is produced as clear glass or in colors. Different tube colors serve as filters that only allow the desired color to shine through. In many cases, the only way to achieve rich primary colors is through colored glass.
Tubing for neon signs is produced as clear glass or in colors. Different tube colors serve as filters that only allow the desired color to shine through. In many cases, the only way to achieve rich primary colors is through colored glass.