Illuminate the depths with the GEN4 – 18 Tri Series Light, offering dual-color options and robust design for versatile marine lighting.

Introducing the GEN4 – 18 Tri Series Underwater Thru-Hull Light, a versatile and colorful addition to Aqualuma’s innovative lighting solutions. This series provides the unique option to select between blue and white LEDs or combine them for a customized shade, all within a single durable housing. The Tri Series is designed to meet the demands of discerning boat owners who seek flexibility in their lighting options without compromising on intensity or quality.

Matching the power of the 18 Series, the Tri Series allows you to set the mood or enhance visibility under water with ease. Its robust, corrosion-proof housing is crafted from Aqualuma's patented, injection-molded polymer, ensuring long-lasting performance in harsh marine environments. Whether operating one color or blending both, the Tri Series offers an exceptional lighting solution that is easy to install and maintain, suitable for a wide range of vessels.


  • Dual-Color LEDs: Offers 9 blue and 9 white LEDs in one housing
  • Light output matches the powerful 18 Series for brilliant illumination
  • Fully serviceable and upgradable without haul out
  • Compatible with existing 12 and 18 Series housings for easy upgrades
  • Comes with a 10-year housing warranty and a 3-year internal components warranty


Specifications 6 SERIES 12 SERIES 18 SERIES 18 TRI SERIES
Boat Size
Up to 45ft (13m) Up to 60ft (18m) Up to 100ft (30m) Up to 100ft (30m)
Transom Spacing
1-2m 1-2m 1-2m 1-2m
Recommended Transom Quantity 3-5 4-6 6-8 6-8
Installation Depth
200-250mm 200-250mm 200-250mm 200-250mm
@ 12 / 24V DC
12V DC 1A
24V DC 0.5A
12V DC 2A
24V DC 1A
12V DC 2.6A
24V DC 1.3A
12V DC 1.3-2.6A
24V DC 0.65-1.3A
Fixture Lumens (Blue) Up to 4,900lm Up to 9,990lm Up to 14,100lm Up to 7,050lm
Fixture Lumens (White) Up to 1,725lm Up to 3,608lm Up to 4,920lm Up to 2,475lm
Fixture Lumens (White)       Up to 9,525lm
Available Colours Blue or White Blue or White Blue or White Blue/White
Compliance RINA
Warranty 10 YR Housing | 3 YR Internals
Barcode # AQL18BWG4
Brand Aqualuma
Shipping Weight 0.5000kg

Comes with a 10-year housing warranty and a 3-year internal components warranty

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