This set includes one Filter/Foam Pad A1426 and two extra foam pads, perfect for maintaining the water quality in your 5-gallon fresh water tank. The internal filter location ensures that the foam pads are not visible and do not affect the aesthetics of your aquarium.
eBay
Multi-functional Aquarium Filter - This fish tank sponge filter combines filtration, aeration and water circulation in one. Perfect Aquarium filter for turtle tanks, Reptiles, Amphibians, Frog, Cichlids, Newt or Fish tank in any aquarium up to 40 gallons.
eBay
DOUBLE DEEP FILTRATION - Black biochemical filter sponge can reduce the odor and yellow water in the fish tank. Wash regularly, can be reused after rinsing, durable. Aquarium air pump, filtration, water pump, and water waves making all in one multi-functional underwater aquarium filter.
eBay
Superior Performance – Filters water effectively up to 6000L/H, suitable for ponds and fish tanks under 1600 gallons. Experience Superior Pond Clarity with Our High-Performance Pond Filter. Ensure your pond remains pristine and inviting.
eBay
EmmaWu Mini Aquarium Filter Air Driven Sponge Fish Tank Filter for Small Tank 0.5-5 Gallon. Air Pump Driven Filter, Great For 0.5-5 Gallon Tank.
eBay
This pre-filter line has been the standard for highest bioload available as a pump pre-filter. Been in the industry for decades! Is the line that started it all for sponge filtration. Sponge Mini- 2.25" H x 2.75" W.
eBay
Small Internal Filter: 2.13" W x 2.4" H. Fit for fish tanks up to 5 gallons. Prevent them from entering the aquarium to keep water clean. Easy to Clean: The bio sponge filter can be easily detached for cleaning.
eBay
Aquarium Filter for 40-150 Gal. DOUBLE DEEP FILTRATION - Black biochemical filter sponge can reduce the odor and yellow water in the fish tank. Wash regularly, can be reused after rinsing, durable.
eBay