Replacement for Grainger 1K271 - 21W, Warm White, 4-Pin Base

A circular replacement for the Grainger 1K271, this 21-watt circular fluorescent produces uniform, shadow-free light from its ring-shaped design. Features a GR10Q-4 base.

At 1300 lumens, output suits compact fixtures, under-cabinet installations, and accent lighting. The 2700K warm white color temperature produces light that feels cozy and relaxed - similar to traditional incandescent lighting. At 82 CRI, color rendering meets commercial standards with colors appearing natural and accurate.

Key Features & Benefits

• Warm 2700K Output: Soft illumination that flatters skin tones.
• 1300 Lumen Output: Reliable brightness for the rated wattage.
• 82 CRI Rating: Colors appear natural and accurate.
• Gr10Q-4 Base: Direct fit for compatible fixtures.
• Brand New: Factory-fresh lamp with full rated life ahead.

Product Specifications

• MPN: 1K271
• Wattage: 21 Watts
• Color Temperature: 2700K (Warm White)
• Lumens: 1300
• CRI: 82
• Base: GR10Q-4
• Condition: Brand New

Common Applications

This circular fluorescent is commonly found in:

• Ceiling Fixtures
• Bathroom Vanities
• Kitchen Lighting
• Decorative Fixtures

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.