Philips 26820-1 PL-T 18W/835/4P ALTO - 18W Triple Tube Compact Fluorescent Lamp, 3500K Natural White, GX24q-2 4-Pin Base

Philips PL-T 18W/835/4P ALTO (CFTR18W/GX24q/835) is an energy-efficient triple-tube CFL with ALTO low-mercury technology. Featuring a 4-pin GX24q-2 base, it's optimized for electronic ballasts, providing bright neutral white light with excellent efficiency. Ideal for recessed downlights, track lighting, and compact fixtures. Sold in cases of 12.

Key Specifications

• Wattage: 18W
• Color Temperature: 3500K (Natural White / Neutral White)
• Base: GX24q-2 (4-Pin Plug-In)
• Initial Lumens: 1,200 lm (rated flux ~1,175 lm per Philips datasheet)
• CRI (Color Rendering Index): 82
• Rated Average Life: 12,000 hours (up to 16,000+ in optimal conditions on electronic ballasts)
• Maximum Overall Length (MOL): 4-5/8 inches (approx. 117–120 mm)
• Philips Ordering Code: 26820-1 (PL-T 18W/835/4P/ALTO or CFTR18W/GX24q/835)
• Packaging: Case of 12 lamps

Features & Benefits

• ALTO® Technology: Low mercury content for environmentally safer disposal (passes EPA TCLP guidelines).
• Triple-Tube Design: Compact 3U shape for high light output in small fixtures with uniform distribution.
• Energy Efficient: Designed for electronic ballasts – lower operating costs, flicker-free starting, and improved system efficacy.
• High Color Quality: CRI 82 for natural rendering in neutral white light.
• Dimmable: Compatible with electronic dimming ballasts for flexible control.

Sustainable, high-performance CFL for commercial and residential applications—delivers bright, consistent illumination while minimizing environmental impact and maintenance.