Replacement T5 Fluorescent Tube for USHIO F21T5/830 - 21 Watts 1974 Lumens 3000K Color Temp G5 Base

Replacement for the USHIO F21T5/830 T5 fluorescent tube that delivers reliable illumination across multiple settings. This 21 watt lamp produces 1974 lumens at a warm 3000K color temperature while operating for up to 20000 hours. The miniature bipin G5 base fits standard T5 sockets without modification, allowing quick installation in existing fixtures. Users benefit from consistent light output that reduces the need for frequent maintenance in commercial and residential environments.

Key Features & Benefits

• 21 watts power consumption
• 1974 lumens light output
• 3000 color temperature
• 20000 hours operational life
• T5 shape with G5 miniature bipin base

Product Specifications

• Watts: 21
• Base: G5 MINIATURE BIPIN
• Shape: T5
• Color Temp: 3000
• Lumens: 1974
• Life: 20000

Replacement Compatibility

This replacement part is compatible with various fixtures requiring T5 fluorescent tubes matching the listed electrical and physical specifications including USHIO F21T5/830. The design supports direct substitution in linear fixtures where the original lamp has reached end of life. Proper fit is ensured through adherence to industry standard dimensions and electrical characteristics, restoring full functionality without requiring changes to ballast or wiring in most cases. Property managers and facility technicians appreciate the straightforward swap that minimizes downtime during relamping projects. The lamp also performs well in retail displays, office ceilings, and workshop environments where steady warm white light improves visibility and comfort. Long rated life contributes to lower overall operating costs by extending intervals between replacements. Energy efficient operation at 21 watts helps control electricity usage while still providing ample brightness measured at 1974 lumens. Color rendering remains stable throughout the lifespan, preserving the intended appearance of illuminated surfaces and merchandise. Stocking this replacement ensures quick access when lamps fail unexpectedly, supporting continuous operations in high use areas. Overall performance aligns closely with the original USHIO specifications for dependable results across repeated use cycles. Facility operators often select this option to maintain uniform lighting quality without investing in new equipment or undergoing complex retrofits. Its robust construction withstands regular daily operation in demanding locations such as warehouses, schools, and hospitality venues. Consistent output helps avoid fluctuations that can affect productivity or customer experience. The non-LED technology provides a familiar warm glow that many users prefer for specific interior designs and ambiance needs. Availability in single units or bulk quantities supports both emergency repairs and planned maintenance schedules efficiently.

During the checkout process, you can choose from expedited services such as overnight delivery to standard ground shipping. We aim to ensure your order is delivered promptly and reliably, wherever you are.

All returns must be made within 30 days of purchase with the invoice. (After 30 days, Interlight credit only, Minimum 25% restocking fee, no returns after 60 days, special items order just for you are not returnable.)

At Interlight, your satisfaction is our priority. We offer a 30-day money-back guarantee on eligible products, provided they are returned in resalable condition with the original invoice.