Product Overview:
This 2 Pack 18W UV Light Bulb is designed as a universal replacement for various pond clarifiers, UV sterilizers, and aquarium filters. Made from high-transmission quartz glass, each bulb provides stable UV-C output for clear and healthy pond or aquarium water.

---

Key Features:

• 💡 Powerful 18W UV Output: Effective wavelength at 253.7 nm UV-C, promoting cleaner, clearer water.

• ⚙️ 4-Pin 2G11 Base: Standard design fits most pond clarifiers, UV filters, and sterilizers on the market.

• 🔄 Wide Compatibility: Works with AQUATOP, Jebo, Jebao, Tetra, SUNSUN, ViaAqua, Grech, Coralife Turbo Twist, and more.

• 🧱 Durable Quartz Glass: Ensures excellent UV transmission, heat resistance, and long service life.

• ⏱️ Long Lifespan: Rated for 8,000+ hours of effective use; recommended replacement every 8–10 months for best results.

• ✅ Chemical-Free Filtration: Provides physical UV purification without additives or chemicals.

---

Specifications:

• Type: UV-C Replacement Bulb

• Power: 18 Watts

• Base Type: 2G11 (4-Pin Straight)

• Length: Approx. 8.75 inch (22 cm)

• Voltage: 110V–240V

• Material: Quartz Glass

• Quantity: 2 Pieces

• Lifespan: 8,000+ Hours