The T9 Triphosphor range features a G10q base. This long-lasting lamp is ideal for functional domestic and commercial applications. Quick Start Technology. 16000 Hours. Last up to 10 times longer than a standard lamp. 299mm x 299mm x 28.5mm. The Bell 32w 830 T9 Circular Fluorescent Tube - Warm White emits 2450 lumens, with a colour temperature of 3000.0K, and features a G10q base for easy fixture compatibility. It offers a CRI of 80.0, with a frosted coating that enhances light quality. The tube's shape is ring, and it provides a long lifespan of 10000.0 hours. This tube is ideal for a range of applications, offering both efficiency and reliability.