Sponge Filters

The hygger Large Bio Sponge Filter is an aquarium filter designed to clean and aerate water in 6–20 gallon fish tanks, including fry, betta, shrimp, and quarantine tanks. Mechanical and biological filtration — catches fine debris and provides space for beneficial bacteria. Large size...

The ALEGI Aquarium Bio Sponge Filter is a two-pack filtration set designed to help maintain water quality in 10–40 gallon aquariums (38–151 L). Airlift system — runs quietly while helping oxygenate aquarium water. Specially developed foam — provides a surface for beneficial bacteria to...

The AQUANEAT Aquarium Air Powered Sponge Filter provides mechanical and biological filtration for aquariums up to 55 gallons, with ceramic media balls and two spare sponges. Mechanical and biological filtration — supports two filtration functions in one air-powered unit. An air infusion chamber creates...

UPETTOOLS Aquarium Sponge Filter is a compact internal filter for 20–40 gallon (75.7–151.4 L) aquariums, measuring 4.72 in W x 2.17 in H (12 cm W x 5.51 cm H). For 20–40 gallon aquariums — choose it for a tank within its stated capacity....

AQUANEAT Aquarium Electric Sponge Filter is a plug-in aquarium filter for mechanical and biological filtration, with an electric motor that works without a separate air pump. Mechanical and biological filtration — supports two filtration functions in one sponge filter. Air-infusion chamber makes minute bubbles...

Pawfly Large Aquarium Sponge Filter is an internal, submersible aquarium filter for mechanical and biological filtration in 20–40 gallon (76–151 L) fish tanks, with a foam sponge and bottom filter balls. Traps debris, leftover food, waste and other impurities — helps keep aquarium water...

Pawfly is a quiet, submersible internal aquarium filter for circulating and filtering water in 30–60 gallon fish tanks, with a 160 GPH pump and sponge filtration. Mechanical and biological sponge filtration — captures debris and waste while allowing shrimp and fry to pass safely....

Aquapapa Aquarium Bio Sponge Filters provide quiet mechanical and biological filtration for fry, betta, and shrimp tanks, with two filters rated for aquariums up to 55 gallons (208 L) each. Two sponge filters in one pack — outfit a tank or keep a second...

Gvvycc Aquarium Filter Sponge is a two-piece replacement filter sponge for Penn-Plax Cascade 600 sponge filters, sized 2.5 x 3 x 5.5 in (6.35 x 7.62 x 13.97 cm) for aquarium filtration. Compatible with Penn-Plax Cascade 600 sponge filters — replace a worn sponge...

UPETTOOLS is a sponge aquarium filter for 10–40 gallon tanks, with a ribbed sponge for mechanical and biological filtration and a 360-degree rotating oxygen outlet. For 10–40 gallon aquariums — fits the stated tank capacity range. Seven-layer ribbed sponge design — supports biological filtration...

Aquapapa Corner Filter is an air-driven aquarium bio-sponge filter for water filtration, supplied as a 2-pack with each unit rated for tanks up to 20 gal (75.7 L). White top filter pad provides mechanical filtration — adds a physical filtration layer. Black bio-sponge and...

TARARIUM replacement aquarium filter sponges are made for the JQP-1500F and JQP-2500F filters, providing replacement sponges for these two models. Made for TARARIUM JQP-1500F — choose a replacement sponge for this filter model. Made for TARARIUM JQP-2500F — also compatible with this filter model....

Aquapapa 4X Dual Bio Sponge Filters are a four-filter aquarium set for betta fry and other aquarium tanks, with each filter suitable for tanks up to 30 gallons (114 L). Mechanical and biological filtration — the sponge catches waste particles while supporting biological filtration....

Sicce Shark PRO Replacement Cartridges are sponge modules for Shark PRO internal filters, with two 20 ppi sponges and one 30 ppi sponge for submerged freshwater or saltwater use. Three sponge pieces: two at 20 ppi and one at 30 ppi — provides the...