... CFL tubes including U-series, H-series, Spiral-series and Lotus-series, etc. CapsuleWe supply different types of semi-finished CFL ... tubes (Capsules) including U-series, H-series, Spiral-series, Lotus-series and Ultraviolet (Dark-blue) series, etc.. Of course, SKD ... available, too. Products can be made based on customer's special requirements. Capsule Fluorescent Lamp