Outdoor, sport and everyday productsShop smarter, all in one place.
UK edition · GBP

Aquarium UV Sterilizer Lamp 5W with Switch, S-18CM

£19.99 (as of 24/06/2026 15:58 BST - DetailsProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.)

The Aquarium UV Sterilizer Lamp is a 5W UV light for a sump or filter tank, described as S-18CM in length. It has a 51 inch cable, a power plug with an on/off switch, and a 220-240 V, 50-60 Hz input. Check the 18 cm fit and the intended installation location before choosing it.

You might also need

Glorlliant Desktop Fish Tank Aquarium Starter Kit with Air Pump and Light Original price was: £45.99.Current price is: £42.99. (as of 05/04/2026 23:42 BST - DetailsProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.)View on Amazon
FEDOUR 300LPH Aquarium Air Pump with Dual Output, 3W Adjustable Original price was: £18.77.Current price is: £16.97. (as of 23/10/2026 22:41 BST - DetailsProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.)View on Amazon
NT Labs Aquarium Swimbladder Treatment 100ml for Tropical and Coldwater Fish£8.99 (as of 23/10/2026 22:50 BST - DetailsProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.)View on Amazon
SKU: B08Z36GLCN Category:

As an Amazon Associate we earn from qualifying purchases.

Compare with similar Aquarium Heaters and Lighting

Clip On Aquarium Light with 3 Lighting Modes and Timer£15.89 (as of 23/10/2026 22:47 BST - DetailsProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.)View on Amazon

As an Amazon Associate we earn from qualifying purchases.

Quick Summary

The Aquarium UV Sterilizer Lamp is a 5W UV light for use in a sump or filter tank. It is described as an S-18CM model and comes with a power plug with an on/off switch. The stated cable length is 51 inches and the input is 220-240 V at 50-60 Hz.

The product is presented as a UV light for water clarification and sterilisation in filtration systems, with a stated ultraviolet ray transmitting rate of more than 93%.

Key Details

DetailVerified information and buyer relevance
Product typeUV steriliser lamp for use in a sump or filter tank.
Power5W, so buyers should compare it with the size and setup of the intended filtration system.
Length7 inch / 18 cm stated length, which affects fit inside the available space.
Cable length51 inch cable, useful when checking reach to the power point.
Input220-240 V, 50-60 Hz, so it should be checked against the intended electrical supply.
ControlPower plug with on/off switch.

What to Compare Before Buying

  • Fit: Check the 18 cm length against the space available in the sump or filter tank.
  • Power supply: Compare the 220-240 V input and 50-60 Hz rating with the intended mains supply.
  • Installation location: This lamp is meant for a sump or filter tank, so confirm that the planned setup matches that use.
  • Cable reach: The 51 inch cable should be checked against the distance to the power source.

Important Limitations

This UV lamp is stated for use in a sump or filter tank and is not intended for direct use in a display tank or koi pond. The length, power and electrical input are the main checks before choosing it.

Before You Decide

Confirm the 18 cm length, the 220-240 V electrical input and the intended sump or filter-tank setup before choosing an offer. If the lamp will not sit in the filtration area, or if the power supply does not match, a different version should be considered.

Scroll to Top