Aqua Terra Lighting 4W T5 UVC Replacement Tube 2 Pack 150 mm Pond UV Bulbs, Pin Double Ended Germicidal Lamp for Filter & Clarifier Units Clear Water Algae Control

💧 Effective Algae & Green Water Control – High-output 4W UVC tubes help eliminate free-floating algae and green water by neutralising algae cells as water passes through your UV clarifier, improving overall clarity and pond health. 🔬 Optimised Germicidal UVC Performance – Precision-manufactured quartz glass ensures strong ultraviolet transmission for dependable sterilisation performance and enhanced filter efficiency. 🔧 Universal T5 2-Pin Fit – 134 mm tube length (150 mm including pins), double-ended with bi-pins at both ends. Designed to fit most pond UV filter systems requiring a 4W T5 UVC bulb. 🔄 Annual Replacement Recommended – Over time UVC output weakens even if the bulb still glows. Replacing your UV tube every 6–12 months keeps algae control strong and filtration working at full capacity. 📦 Twin Pack Value – Includes 2 x 4W Aqua-Terra Lighting UVC replacement tubes — ideal for seasonal upgrades, spare on hand, or dual units., Weight: 0.1212542441 Pounds, Manufacturer: Lupol Limited