Description
SOBO WP-108H Hanging Filter
The SOBO WP-108H is a reliable and efficient hang-on-back (HOB) filter designed for small to medium aquariums. With its dual filtration system, compact design, and easy maintenance, it’s a great choice for beginner and experienced hobbyists alike.
🌊 Key Features
✅ Dual filtration system – Equipped with sponge (mechanical & biological) and activated carbon cartridge (chemical filtration) for clear, healthy water.
✅ Adjustable flow rate – Suitable for gentle fish like Betta or Guppies, as well as community tanks.
✅ Surface skimmer option – Helps remove oil film and debris, keeping the surface clean.
✅ Compact design – Hangs neatly on the aquarium, saving space inside the tank.
✅ Silent operation – Low vibration motor, quiet and efficient for home or office tanks.
✅ Easy to clean & maintain – Quick sponge rinsing and cartridge replacement.
🐠 Suitable For
Tank Size: ~75L.
Fish Types: Guppies, Tetras, Mollies, Platies, Swordtails, Bettas, Shrimp, Snails, and small community fish.
⚠️ Not suitable as the only filter for large or messy fish like Goldfish, Oscars, or Arowana (use as a secondary filter in such cases).
⚙️ Specifications
Model: WP-108H
Type: Hang-on-back filter
Flow Rate: 200 L/H
Tank Capacity: ~75L
Power Consumption: 3W (energy-efficient)
Filter Media Included: Sponge + Activated Carbon Cartridge
Upgradable Media: Ceramic rings, bio-balls, filter wool
🧱 Filter Media Setup (Recommended Order)
Coarse sponge (mechanical filtration)
Fine sponge / filter wool (basic biological)
Activated carbon cartridge (chemical – water clarity & odor removal)
Ceramic rings / bio-balls (optional – for enhanced biological filtration)
👉 For shrimp or fry tanks, add a sponge pre-filter on the intake.
🔧 How to Install
Hang the filter on the back/side of the aquarium.
Place the intake pipe inside the water.
Fill the filter chamber with a little tank water for priming.
Plug in and switch ON – water will start circulating.
Adjust the flow to suit your fish.
🧼 Maintenance
Rinse sponge & cartridge every 2–3 weeks in tank water (never tap water).
Replace carbon cartridge every 3–4 weeks for best results.
Clean impeller & pipes regularly to avoid clogging.
Do not replace all media at once – keep biological bacteria intact.
📦 What’s in the Box
SOBO WP-108H filter body
Sponge filter media
Activated carbon cartridge
Intake & outlet fittings
✅ Why Choose SOBO WP-108H?
The SOBO WP-108H Hanging Filter is an affordable, efficient, and beginner-friendly option for small to medium aquariums. It combines mechanical, chemical, and biological filtration in one compact unit, keeping water crystal clear with minimal effort.
👉 Best for community tanks, shrimp tanks, Betta tanks, and planted aquariums up to 75 litres.


