Atman NZ‑4 & NZ‑5 Internal Filter with UV Light
The Atman NZ Internal Filter with UV Light is designed to provide efficient filtration, steady water circulation and improved water clarity for freshwater aquariums. Available in NZ‑4 UV and NZ‑5 UV models, this internal filter is ideal for aquarium owners who need powerful filtration with the added benefit of UV light support.
Its compact in-tank design installs easily with strong suction cups and can be positioned according to your aquarium setup. The adjustable water outlet helps direct water flow where needed, supporting better circulation throughout the tank.
The filter uses a biochemical sponge to capture fish waste, leftover food and visible dirt. It also supports beneficial bacteria, helping maintain a cleaner and healthier aquarium environment. The carbon filter media helps reduce odour and unwanted impurities for clearer water.
The UV light feature provides added water hygiene by helping reduce unwanted microorganisms in the water. This makes the Atman NZ Internal Filter with UV Light a practical choice for freshwater fish tanks, planted aquariums and ornamental fish setups.
Key Features
- Compact internal filter for aquarium use
- Easy suction-cup installation
- Can be fitted vertically or horizontally
- Biochemical sponge for mechanical and biological filtration
- Activated carbon compartment helps reduce odour and water impurities
- Adjustable water flow and movable outlet pipe
- Easy-open filter body for quick cleaning
- Optional UV light model for improved water hygiene
- Quiet, energy-efficient operation
Suatable tank size
Model Suitable Aquarium Size NZ‑4 UV Up to 4 ft aquarium NZ‑5 UV Up to 5 ft aquarium Technical Information
Model Filter Type Filter Power UV Power Flow Rate NZ‑4 UV Internal Filter with UV Light 11W 7W 950 L/H NZ‑5 UV Internal Filter with UV Light 12W 9W 800 L/H Filter Media Care & Easy Cleaning
- Biochemical Sponge: Captures visible dirt and fish waste while supporting beneficial bacteria.
- Activated Carbon: Helps reduce odour and improve water clarity.
- Switch off and unplug the filter before cleaning.
- Remove the filter from the aquarium and open the front cover.
- Take out the sponge and filter media carefully.
- Rinse the media gently in removed aquarium water only.
- Do not use soap, detergent or hot water.
- Reassemble the filter and make sure it is fully underwater before switching it on.

Reviews
I recently purchased an aquarium filter from the Blessings Aquarium website, and overall, I’m really satisfied. The filter works efficiently and keeps the water crystal clear. Installation was easy, and the quality feels premium for the price. Delivery was quick, and the packaging was secure.
Only reason I’m giving 4 stars instead of 5 is that the user manual could’ve been a bit more detailed for beginners. Otherwise, a great product and excellent service from Blessings aquarium!