SYLVANIA CF18DD/841/ECO 18W 4100K Cool White 6.00 in | Dulux D T4 CFL Bulb | G24d-2 Bi-Pin

CF18DD/841/ECO is a 18W Cool White 4100K T4 Double Quad CFL with a G24d-2 2-Pin base, 6.00 in maximum overall length, and Case of 50 packaging.

Product Overview

This lamp is built for buyers who need the correct CFL size, output class, and color appearance on the first order. It is commonly used in down lights, wall sconces, recessed ceiling fixtures, and task lighting.

• Designed as a high-efficacy T4 Double Quad CFL lamp for commercial and industrial fixtures.
• Uses a G24d-2 2-Pin base and 6.00 in overall length.
• Light appearance: Cool White 4100K.
• Rated life: 10,000 hours.

Technical Specifications

• Brand: Sylvania
• Model: CF18DD/841/ECO
• SKU: 20671
• Wattage: 18W
• Lamp Family: Dulux D
• Lamp Type: T4 Double Quad CFL
• Base: G24d-2 (2-Pin)
• Length (MOL): 6.00 in
• Initial Lumens: 1150 lm
• Color Temperature: 4100K
• Light Appearance: Cool White
• CRI: 82
• UPC: 046135206719
• Case Quantity: 50

Before You Order

• Verify lamp family, wattage, and exact base type (2-Pin G24d-2) before ordering.
• This 2-pin lamp features an integrated starter and is designed for magnetic ballasts.
• Confirm your fixture supports 18W CFL operation to avoid compatibility issues.
• Match the existing color temperature: 4100K.
• Replaces legacy Sylvania model 20678.

Additional Information

Dulux D lamps are known for their compact design—roughly two-thirds the length of single compact lamps—while providing symmetrical light distribution and 85% lumen maintenance throughout their operational life.