PHILIPS 13W/835/2P ALTO 3500K Natural White 4.8 in | Quad Tube PL-C CFL Bulb | GX23-2 2-Pin

Philips PL-C 13W/835/2P ALTO is a high-performance 13W Quad Tube (Double Twin) CFL featuring a GX23-2 2-Pin base, 800 lumens of natural white light, and ALTO low-mercury technology for magnetic ballasts.

Product Overview

The Philips PL-C Quad Tube series provides a balanced lighting solution for professional and commercial spaces. Engineered with a compact cluster design, this lamp fits easily into space-constrained fixtures while delivering bright, neutral white illumination. It features an integrated starter for immediate operation on magnetic ballast systems.

• Natural White 3500K: Delivers a clean, neutral white light that is ideal for corridors, offices, and retail environments.
• ALTO® Technology: Environmentally responsible low-mercury formula that passes EPA TCLP guidelines for safer disposal.
• Quad-Tube Cluster: Double twin-tube design maximizes light distribution and efficiency in recessed and surface-mounted fixtures.
• Instant Retrofit: Built-in starter allows for simple installation in existing magnetic ballast setups.

Technical Specifications

• Brand: Philips
• Model: PL-C 13W/835/USA/ALTO
• Wattage: 13W
• Lamp Type: Quad Tube CFL (Double Twin Tube)
• Base: GX23-2 (2-Pin)
• Length (MOL): 4.8 inches (122 mm)
• Initial Lumens: 800 - 860 lm
• Color Temperature: 3500K
• Light Appearance: Natural / Neutral White
• CRI: 82
• Rated Life: 10,000 hours
• Ballast Compatibility: Magnetic only

Before You Order

• Verify Base Type: This lamp features a GX23-2 (2-Pin) base. Please confirm your socket matches this configuration; it will not fit standard GX23 (PL-S) or 4-pin electronic sockets.
• Ballast Check: This 2-pin lamp is designed specifically for magnetic (electromagnetic) ballasts. It is not compatible with electronic ballasts.
• Color Match: 3500K provides a neutral white light. If you are replacing a single lamp in a row, verify if you need 2700K (Warm) or 4100K (Cool) to ensure a uniform look.
• Legacy Replacement: This model serves as a direct replacement for various older catalog codes, including #262147.

Additional Information

Philips PL-C lamps with ALTO technology are a trusted choice for reducing energy consumption by up to 75% compared to incandescent alternatives. With a 10,000-hour rated life, these lamps minimize maintenance cycles in commercial corridors, hallways, and security lighting applications where reliable uptime is critical.