Filters

Under $20 Aquarium Filters

Shop the best prices on 11,293 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 3,200
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
Fish Tank Protein Skimmer Aquarium Protein Skimmer Saltwater Filter Internal Tank Filter for Small
$19.95 Save $2.00 RRP: $21.95
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
$10.95 Save $41.00 RRP: $51.95
Water Purification Tablets Fast Aquarium Water Filter Fish Supplies Potable Aqua Tablets Natural Fish Tank Accessories 
$15.95
6M Double Hole Soft Nasal Oxygen Tube Nasal Cannula for Oxygen Gener
$12.95 Save $9.00 RRP: $21.95
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
Compatible with for Interpet Internal Cartridge Filter CF2 Four-Month Service Kit ( Filter Cartridges, Algaway Pads)
$16.95
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 Purifier Cube,Horse Trough Water Filter Cube,Activated Carbon Livestock Water Purifier for Ponds,Fish,Aquariums
$20.95 Save $10.00 RRP: $30.95
Water Filter for Pump and Water Sprayer for 1/4 Inch Water Hose
$9.95 Save $1.00 RRP: $10.95
Oxygen Tube Connector-Disposable Oxygen Generator Three-Way Oxygen Tube Oxygen Tee Connector Ventilator Accessories White
$17.95
2025 Fish Tank Filter Three In One Filter Pump Circulation System Small Water Purification Pump Built In Aquarium CC
$9.95 Save $10.00 RRP: $19.95
Lily Pipe Fish Tank Aquarium Outlet for 12/16mm 16/22mm Water Outlet
$15.95
Stainless Steel Aquariums Filter Inflow Media Cover Mini Metal Mesh Shrimp Guard for Fish Tanks Filter 12mm/16mm
$19.95
10PCS Aquarium Fish Inlet Protective Filter Tank Pre-Filter Sponge Roll Cartridge Replacement Filters (Small)
$3.95 Save $60.05 RRP: $64.00
4pcs Replaceable Cotton Filter Bag Fish Tank Filter Sock Replacement Filter Pouch for Aquarium
$8.95 Save $60.05 RRP: $69.00
POPETPOP Aquarium Fish Tank Pad Fiber Filter Fiber Aquarium Biochemical Filter Pond Filtration Sponge Pad 30 x 40cm
$19.95 Save $139.05 RRP: $159.00
XY-2891 Aquarium Sponge Filter Corner Filter Breeding Shrimp Nano Fish Tank Water
$12.95 Save $96.05 RRP: $109.00
10 PCS Fish Tank Pre-Filter Sponge Roll Replacement Filters for Aquarium (15mm)
$15.95 Save $113.05 RRP: $129.00
20pcs Air Conditioning Filter Papers Dust Power Filter Screen Air Vent Filters
$14.95 Save $59.05 RRP: $74.00
Aquarium Sponge Filter Replacement Replacement Sponge Filter Media Pad Black 6.00X3.50X3.50CM Water Filtration 10Pcs
$16.95 Save $12.00 RRP: $28.95
Acrylic Fish Tank Water Pipe Holder Hose Tube Fixed Clip Clamp
$12.95 Save $51.05 RRP: $64.00
Aquarium Filter Cotton Cuttable Washable Professional Hydrophobic Fish Tank Filter Pad Media 30x40cm / 11.8x15.7in
$14.95 Save $6.00 RRP: $20.95
Aquarium Filtering Replacements Black 50X50X3CM Square High Permeability No Water Accumulation 1Set
$17.95 Save $9.00 RRP: $26.95
Fish Tank Tubing Connectors Aquarium Air Pump Adapter Abs Material For Aquarium Maintenance 20Pcs
$13.95 Save $11.00 RRP: $24.95
Turtle Fish Tank Filter Multifunctional Low Water Level Aquarium Waterfall Filter for Fish Tank Aquarium
$20.95 Save $6.00 RRP: $26.95
2pcs Aquarium Air Splitter 3 Way Blue White 8.3cm 4mm Tube
$12.95 Save $6.00 RRP: $18.95
Sponge Round Aquarium Filter Cotton 200mm Black Quicksand Filter
$20.95 Save $10.00 RRP: $30.95
2pcs Fish Tank Air Splitter 4 Way Oxygen Pump Adapter Blue White
$14.95 Save $5.00 RRP: $19.95
Aquarium Filter Pad Bio Sponge Washable Safe Thickened 6D Fish Tank Filter Media for Freshwater Saltwater Pond
$11.95 Save $3.00 RRP: $14.95