• Small 
• Large 
• X-Large 

All sponge filters come with a heavy weighted base, air lift tube and dense foam filter.

Total Height : 

SMALL:  6.5 inch (with tube)

LARGE: 8.5 inch (with tube)

X-LARGE: 13.5-inch (with tube)

💦Easy-to use biological filter for tropical aquarium fish Aquarium filter sponge for efficient biological filtration

💦Supplying the water much needed oxygen Most fit to external or top filter as prefiltration unit No deads spots in cylinder foam offers increased filtration

💦Various types of installations are possible The sponge material is easy to clean Quiet operation

💦Beneficial bacteria colonise sponge filter for waste breakdown, 

💦Easy-to use biological filter for tropical aquarium fish Aquarium filter sponge for efficient biological filtration 

💦Great biological filter for breeding or spawning aquariums 

💦Multi-strata design provides large surface area for optimum filtration. 

💦Provides the ideal location for bacterial colonization. 

Recommend tank size:

Material : Black Sponge, Plastic

Unlike others online our sponges are made of premium 40ppi Sponge, meaning that the sponge is fine enough to filter the water effectively but not so dense that it needs continuously cleaning (We recommend cleaning (in tank water) every 8 weeks depending on aquarium load)

At SED Aquatics we only sell genuine products. We are slowing re circulating systems run in our Discus / Pleco fish room. So it’s a great time to grab a bargain on either our Brand New items or our used in house products. Being a hobbyist for over a decade I am passionate about the wonderful fish keeping hobby, and only put our name to quality yet affordable products. Not quite what your looking for? No problem, why not check out our other Aquatic products. We stock new & used filters, heaters, filter media, LED lights and much more. Happy Fish keeping folks!!!!

Please Note: We do our absolute upmost to ensure your order arrives at your door as quick as possible. However some locations like the Northern tips of Scotland, Northern Ireland & Non mainland UK may incur an additional day over the specified estimate for delivery. We will always try to use the quickest courier available to us from our chosen delivery partners

🐠Operated by an air pump to create numerous minute bubbles to increase dissolved oxygen content. (Air pump and Airline not included, we sell both so check out our other items should you require these)

🐠Replaceable filter sponge allow long lasting use. Supplying the water much needed oxygen Most fit to external or top filter as pre-filtration unit 

🐠Aerobic bacteria colonise the sponge providing a bacterial surface to facilitate the nitrogen cycle. In addition, the sponge traps larger waste particles and mechanically cleans the water without trapping baby fish.

🐠 They are useful as a breeding filter or as a secondary filter in the aquarium. These sponge filters can also be used as pre filter to an external filters 

🐠A suitable air pump with air line must be used to run these filters (not supplied, but are available separately in our store).