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Fluval UVC In‑Line Clarifier 3W Replacement Bulb

$49.95

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Fluval UVC In‑Line Clarifier 3W Replacement Bulb A19998 

Maintain crystal-clear aquarium water with the Fluval UVC In‑Line Clarifier 3 W Replacement Bulb, designed for hassle-free installation and reliable performance.

Featuring long-lasting Cold Cathode Fluorescent Lamp (CCFL) technology, this tube delivers effective UV light for up to 30,000 hours, helping eliminate suspended algae and bacteria without harming beneficial microbes . It’s a cost-effective upgrade for freshwater, saltwater, and turtle tanks up to 400 L (100 US gal) 

Key Benefits:

  • 30,000 hr life span – three times longer than traditional UVC bulbs 
  • Maintains water clarity chemically free by disabling algae DNA
  • Designed for 3 W Fluval UVC inline clarifiers (e.g. A198)
  • Compatible with canister filters (fits 16 mm/5/8″ hose) 
  • Ideal for aquariums up to 400 L, max flow ~930 L/hr
  • Part Number A19998 

Installation Tips:

  1. Turn off and unplug your UVC clarifier

  2. Remove the old bulb and slide in the CCFL replacement

  3. Reassemble, restore power, and check the indicator light

  4. Expect thousands of hours of continued water purification


Ensure optimal performance and longevity of your Fluval UVC Clarifier by replacing the bulb every 2–3 years or when indicator lights dim

Fluval UVC In‑Line Clarifier 3W Replacement Bulb A19998 

Maintain crystal-clear aquarium water with the Fluval UVC In‑Line Clarifier 3 W Replacement Bulb, designed for hassle-free installation and reliable performance.

Featuring long-lasting Cold Cathode Fluorescent Lamp (CCFL) technology, this tube delivers effective UV light for up to 30,000 hours, helping eliminate suspended algae and bacteria without harming beneficial microbes . It’s a cost-effective upgrade for freshwater, saltwater, and turtle tanks up to 400 L (100 US gal) 

Key Benefits:

  • 30,000 hr life span – three times longer than traditional UVC bulbs 
  • Maintains water clarity chemically free by disabling algae DNA
  • Designed for 3 W Fluval UVC inline clarifiers (e.g. A198)
  • Compatible with canister filters (fits 16 mm/5/8″ hose) 
  • Ideal for aquariums up to 400 L, max flow ~930 L/hr
  • Part Number A19998 

Installation Tips:

  1. Turn off and unplug your UVC clarifier

  2. Remove the old bulb and slide in the CCFL replacement

  3. Reassemble, restore power, and check the indicator light

  4. Expect thousands of hours of continued water purification


Ensure optimal performance and longevity of your Fluval UVC Clarifier by replacing the bulb every 2–3 years or when indicator lights dim

Fluval UVC In‑Line Clarifier 3W Replacement Bulb
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