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Upettools Aquarium Biochemical Sponge Filter with Air Stone BT-306

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Upettools Aquarium Biochemical Sponge Filter with Air Stone BT-306

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SKU : BT-306

Stock QTY : 1000

Availability: In stock

Regular Price: $12.99

Special Price $11.99

【Filter Accessories Overview】Comes with Filter sponge, Bio balls, Air stone inside, more surface area for beneficial bacterial to colonize and faster cycling, keep your fish bowl clear and clean.
【Multi-filtration Functions】Provide both mechanical and biological filtration, and supplying the water with much needed oxygen ,reduces noise from air pump and keeps water cycled and clear.
【Application & design】Safe for fish, Suitable for (5-11) Gal fish tank, shrimp tank, betta tank, breeder tank, goldfish, guppies, fry, baby fish or other fish.Innovative ultra-thin design, save space inside the aquarium bowl, more beautiful, creates a clear, healthy home for fish.
    Tier Price
    QTY Price Save
    5 $11.49 5%
    10 $10.99 9%
    30 $9.99 17%


How does this Ultra-Thin round filter work?

This quiet aquarium biochemical sponge filter must be used with an air pump to achieve filtration and oxygen supply.
The white filter pad provides mechanical filtration.
The bio balls provide biochemical filtration.
The air stone great to add oxygen to your hydroponics growing system, Increase oxygen levels, lower CO2 and raise PH.

How to remove or install the filter?

Squeeze the two buckles at the same time, press them hard toward the center of the product (toward the bubble), and then push the protective cover up.

How to maintain is required?

1. The sponge needs to be rinsed every time it gets dirty (approximately every 2 to 4 weeks). No need to use tap water, just gently clean the sponge with aquarium water.
2. After 3 to 6 months of use, the pores of the sponge will gradually become clogged with fine debris, and the sponge filter will begin to fail.
3. Therefore, it is also recommended to replace the sponge every three to six months or when the sponge is worn out.



1. Ultra-thin design, save space
2. Double filtration and supply of oxygen
3. Inside equipped with sponge filter, bio balls, air stone
4. Keep your fish tank clear and clean
5. Easy to set up
6. Can be disassembled and installed to clean


BT306 Size and Weight: 4.2*2.8 in / 6.54oz
Compatible air pump wattage: >1W
Recommend tank size:  5-13Gal
Outlet size: It can be compatible with airline of 4mm.

Package Included:

1 x Filter (Air pump not included)

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