Filters

Under $20 Aquarium Filters

Shop the best prices on 10,616 great value under $20 aquarium filters. Shopping for aquarium filters is easy with Fruugo, with SALE discounts, offers and savings on Aura, Dirtypigs, Xpba and more. Buy aquarium filters online safely with Fruugo, with secure payment and fast shipping to Australia.

Filters
1 - 32 of 10,616
2025 Aquarium Betta Filter, Sponge Biochemical Filter, Aquarium Fish Tank Mini Filter, Aquarium Accessories for Fish Tank Fish Shrimp Breeding Oxygen
$21.95 Save $20.00 RRP: $41.95
220-240v Circulation Water Pump Wave Maker For Aquarium Fish Tank
$7.95 Save $61.05 RRP: $69.00
Water Filter for Pump and Water Sprayer for 1/4 Inch Water Hose
$10.95
Filter Replacement for Litter-Robot 4 - Activated Carbon Filters for Litter Box, Charcoal Filters for Litter 6Pcs
$16.95 Save $2.00 RRP: $18.95
Fish Tank Protein Skimmer Aquarium Protein Skimmer Saltwater Filter Internal Tank Filter for Small
$19.95 Save $2.00 RRP: $21.95
Mini Super Silent Water Pump Brushless 15030L/H USB Plug Circulating Water Pump for Aquarium Fish T
$17.95 Save $2.00 RRP: $19.95
Water Purification Tablets Fast Aquarium Water Filter Fish Supplies Potable Aqua Tablets Natural Fish Tank Accessories 
$15.95
2025 Aquarium Filter Uv Light With Timer For 40-150 Gal Fish Turtle Tank, 8w Uv 24w Silent Canister Internal Filter Submersible Power Pump Air Supply unbrand
$20.95 Save $11.00 RRP: $31.95
Water Purifier Cube,Horse Trough Water Filter Cube,Activated Carbon Livestock Water Purifier for Pon 1028 szbym02
$17.95 Save $41.05 RRP: $59.00
Aquarium Fountain Pump Set, 4Pcs Mini Submersible DC 3-5V Water Pumps for Fish Tanks
$18.95 Save $90.05 RRP: $109.00
Foam Filter for Philips PowerPro Duo Aqua FC6162 FC6168 FC6171 FC6172 FC6404 FC6409 / DEXP DP-800H /
$14.95 Save $11.00 RRP: $25.95
6 Pcs Cf1 Filter 3 Month Service Kit, Fish Tank Filter Cartridges, Fish Tank Filter for Cf1 Interna
$13.95
Lily Pipe Fish Tank Aquarium Outlet for 12/16mm 16/22mm Water Outlet
$13.95 Save $1.00 RRP: $14.95
Spin Outflow Lily Pipe Transparent Glass Hang On Design For Aquarium For Tank
$17.95 Save $81.05 RRP: $99.00
Water Purifier Cube,Horse Trough Water Filter Cube,Activated Carbon Livestock Water Purifier for Ponds,Fish,Aquariums
$20.95 Save $10.00 RRP: $30.95
Aquarium Filter Cover Stainless Steel Inlet and Outlet Protective Mesh for Fish ShrimpsInternal Diameter 18mm
$12.95 Save $14.00 RRP: $26.95
10PCS Filter Sponge Replacements for Intex Type H Washable Reusable Swimming Poo
$19.95 Save $69.05 RRP: $89.00
6PCS Dryer Sponge Filter Mat for Bosch 12022801 for Constructag
$13.95 Save $85.05 RRP: $99.00
10PCS Filter Sponge Replacements for Intex Type H Washable Reusable Swimming Pool Filter Foam Sponge
$16.95 Save $67.05 RRP: $84.00
Multifunctional Efficient Activated Carbon Filter Media Fish Tank Aquarium(3 Net Bags)
$6.95 Save $6.00 RRP: $12.95
12pcs Aquarium Suction Cups Plastic Suckers Fish Tank Transparent Vacuum
$13.95 Save $28.00 RRP: $41.95
8Pcs Foam Filter Sponge for Intex Type a Reusable Washable Swimming Pool Aquarium Filter Accessories
$13.95 Save $27.00 RRP: $40.95
New High Grade Silicone Grease Lubricant Super O-Lube O-Ring Lubrication for O-Ring Maintenance of Aquarium Filter Tank
$17.95 Save $81.05 RRP: $99.00
Power Filter for Improved Signal Integrity In Residential Power Sources
$13.95 Save $27.00 RRP: $40.95
Power Filter for Improved Signal Integrity In Residential Power Sources
$13.95 Save $14.00 RRP: $27.95
4PCS Dryer Filter Replacement Parts for Candy//Ostein//House to House Heat Pump Dryer, Sponge Filter
$10.95 Save $22.00 RRP: $32.95
four Pcs 5/8 Inch Rope Clamps Large Reusable Black Plastic Connector Suitable fo
$14.95 Save $37.00 RRP: $51.95
IV Pcs 5/8 Inch Rope Clamps Large Reusable Black Plastic Connector Suitable fo
$12.95 Save $33.00 RRP: $45.95
Aquarium Biological Filter Bio Balls for Water Purification Odor and Fishy Smell-Good
$12.95 Save $15.00 RRP: $27.95
Aquarium Filter Cover Stainless Steel Inlet and Outlet Protective Mesh for Fish ShrimpsInternal Diameter 12mm
$19.95 Save $13.00 RRP: $32.95
Portable Self‑Priming Water Inlet Filter Replacement for Water Sprayer Misting Humidification System
$12.95 Save $4.00 RRP: $16.95
Aquarium Filters Media Bags with Zipper for Fish Tank 10Pcs Black Bags
$22.95 Save $14.00 RRP: $36.95