GoodBulb 40A19CLRS 40-Watt 130V Clear Rough Service A19 Light Bulb — Shatter-Resistant C-9 Filament

Made the Right Way the Good Way

Reimagined Incandescent Glow

The GoodBulb 40A19CLRS Clear Rough Service Lamp brings back the brilliance and warmth of classic incandescent lighting with durability built for demanding environments. This 40-watt, 130-volt A19 bulb delivers a crystal-clear finish that reveals the filament’s timeless glow, offering pure, unobstructed illumination ideal for workshops, garages, service stations, industrial environments, and everyday household fixtures. Built with a strengthened C-9/5 filament, this lamp preserves the charm of incandescent light while providing extended reliability.

Power and Versatility

Engineered for higher voltage and long-lasting stability, the 40A19CLRS operates on 130 volts to produce a cleaner, more durable incandescent output. Its clear envelope enhances brightness and clarity, shining true through vibration, movement, and heavy-duty use. Suitable for open or enclosed fixtures, indoor or outdoor applications, and anywhere a dependable rough-service bulb is needed. Rated for 4,000 hours, this lamp outperforms standard household bulbs and minimizes replacement cycles—saving time, labor, and cost.

For the Love of Color

With a classic incandescent spectrum, colors appear warm, natural, and inviting. Whether illuminating warm woods, chrome, fabrics, or displays, this bulb enhances clarity and vibrance with a full, rich glow that only incandescent filaments can provide. Its clear glass maximizes visual accuracy, making it ideal for task lighting, detail work, or spaces that require crisp, unfiltered light.

Rough Service Durability

Built to withstand the stressors that standard bulbs cannot endure, the 40A19CLRS is reinforced with enhanced filament support to resist shock, vibration, and temperature shifts. This toughened construction makes it perfect for machinery lighting, utility spaces, basements, outdoor fixtures, and high-use environments. When reliability matters, rough service bulbs provide the stability and performance that keep your operation running smoothly.

Effortless Dimming

Compatible with most incandescent dimming systems, this lamp provides smooth, flicker-free dimming for adaptable lighting in any environment. Adjust brightness without disrupting filament integrity—perfect for ambiance or precision work. If flicker occurs, it’s a reminder that some older dimmers were engineered for higher-wattage lamps.

Built to Last

Every component of the 40A19CLRS is crafted with quality materials—no shortcuts, no engineered failures. The strengthened filament, durable glass construction, and high-voltage design work together to maximize longevity. Where other bulbs are designed to fail quickly, GoodBulb builds lamps to stand the test of time.

Guardian of Prosperity

Using rugged incandescent lamps reduces downtime, maintenance cycles, and operational interruptions. With a 4,000-hour life rating, this bulb lasts up to 2–4 times longer than many standard A19 incandescent bulbs. That means fewer replacements, fewer ladder climbs, fewer disruptions, and more savings. If you need help calculating energy or maintenance savings, a Lumen Master can assist with a detailed lighting evaluation.

Xtreme Life Guarantee

GoodBulb rough-service lamps are backed by our commitment to quality and longevity. Designed to outperform ordinary incandescents, they are built with premium components to deliver dependable, long-lasting light in challenging environments.

Impactful Lighting

A GoodBulb is more than a bulb—it’s a choice that impacts people and the planet. Choosing reliable, long-lasting lamps reduces waste, minimizes resource use, and lowers environmental impact. As a social enterprise, GoodBulb also provides clean solar light to families without access to electricity. Your bulb does more than brighten a room—it brightens lives.