HBL 801 vs 802 vs 803 – Which One to Choose?
If you’re planning to buy a reliable hang-on back filter for your aquarium, the SunSun HBL series offers three excellent models: HBL-801, HBL-802, and HBL-803. But which one is right for your tank setup?
In this guide, we’ll compare key features of each model—like flow rate, media capacity, and noise level—so you can make an informed decision.
1. Overview of SunSun HBL Series
SunSun’s HBL filters are known for their compact design, low power consumption, and quiet operation. They hang on the back of your aquarium, making them ideal for hobbyists with limited space.
These filters are widely used for planted tanks, nano aquariums, and bedroom tanks due to their whisper-quiet operation.
2. HBL 801 vs 802 vs 803 – Side-by-Side Comparison
| Model | Flow Rate | Tank Size | Media Capacity | Wattage | Noise Level |
|---|---|---|---|---|---|
| HBL-801 | 300 L/H | Up to 40 cm | Small | 3W | Very Low |
| HBL-802 | 500 L/H | Up to 60 cm | Medium | 5W | Low |
| HBL-803 | 600 L/H | Up to 80 cm | Large | 6W | Low |
HBL-801 is best for nano tanks or betta setups.
HBL-802 suits standard 2-foot tanks or planted setups.
HBL-803 is ideal for tanks needing stronger flow and more filtration.
Buy them online:
3. Which One Should You Choose?
Choose HBL-801 if:
You have a betta tank or shrimp tank
You want super quiet operation
You prefer low power usage
Choose HBL-802 if:
Your tank is around 2 feet (60 cm)
You want balanced performance and flow
Choose HBL-803 if:
Your tank is larger than 2 feet
You need stronger filtration
You plan to use custom filter media
Pro Tip:
You can customize the internal filter media of any HBL model using ceramic rings, sponge pads, or activated carbon. This improves biological and chemical filtration significantly.
Frequently Asked Questions (FAQs) – With Schema
Is the SunSun HBL-803 too strong for a 2-foot tank?
Not necessarily. It works well if you stock more fish or use plants that need good flow. You can reduce flow using a sponge at the intake.
Can I use the same filter media in HBL-801, 802, and 803?
Yes, but HBL-803 offers the most space for custom media like bio-rings or activated carbon.
Which HBL filter is best for bedroom tanks?
HBL-801 is the most silent, making it ideal for bedroom or office tanks.






