Filters

Under $20 Aquarium Filters

Shop the best prices on 13,135 great value under $20 aquarium filters. Shopping for aquarium filters is easy with Fruugo, with SALE discounts, offers and savings on Viewleaf, Lee's, Seachem and more. Buy aquarium filters online safely with Fruugo, with secure payment and fast shipping to Singapore.

Filters
1 - 32 of 13,135
Water Purifier Cube,Horse Trough Water Filter Cube,Activated Carbon Livestock Water Purifier for Ponds,Fish,Aquariumse
$19.95 Save $13.00 RRP: $32.95
Spin Outflow Lily Pipe Transparent Glass Hang On Design For Aquarium For Tank
$14.95 Save $69.05 RRP: $84.00
Water Purifier Cube,Horse Trough Water Filter Cube,Activated Carbon Livestock Water Purifier for Ponds,Fish,Aquariums
$17.95 Save $9.00 RRP: $26.95
50 Pcs Transparent Mushroom Suction Cups Without Hooks Mini Sucker Hanger Pads
$20.95
Aquarium Filter Cover Stainless Steel Inlet and Outlet Protective Mesh for Fish ShrimpsInternal Diameter 18mm
$10.95 Save $12.00 RRP: $22.95
Aquarium Fountain Pump Set, 4Pcs Mini Submersible DC 3-5V Water Pumps for Fish Tanks
$15.95 Save $78.05 RRP: $94.00
Dryer Lint Filter Sponge Replacement for Grundig GTN38250HGCW MGCB Models, 3 Pack
$20.95 Save $9.00 RRP: $29.95
Fish Tank Protein Skimmer Aquarium Protein Skimmer Saltwater Filter Internal Tank Filter for Small
$16.95 Save $2.00 RRP: $18.95
Foam Filter for Philips PowerPro Duo Aqua FC6162 FC6168 FC6171 FC6172 FC6404 FC6409 / DEXP DP-800H /
$12.95 Save $9.00 RRP: $21.95
Water Purifier Cube,Horse Trough Water Filter Cube,Activated Carbon Livestock Water Purifier for Pon 1028 szbym02
$15.95 Save $32.00 RRP: $47.95
Water Purification Tablets Fast Aquarium Water Filter Fish Supplies Potable Aqua Tablets Natural Fish Tank Accessories 
$13.95
Filter Replacement for Litter-Robot 4 - Activated Carbon Filters for Litter Box, Charcoal Filters for Litter 6Pcs
$14.95 Save $1.00 RRP: $15.95
Lily Pipe Fish Tank Aquarium Outlet for 12/16mm 16/22mm Water Outlet
$11.95 Save $1.00 RRP: $12.95
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
$17.95 Save $9.00 RRP: $26.95
6 Pcs Cf1 Filter 3 Month Service Kit, Fish Tank Filter Cartridges, Fish Tank Filter for Cf1 Interna
$11.95
Water Filter for Pump and Water Sprayer for 1/4 Inch Water Hose
$8.95 Save $1.00 RRP: $9.95
2025 Aquarium Betta Filter, Sponge Biochemical Filter, Aquarium Fish Tank Mini Filter, Aquarium Accessories for Fish Tank Fish Shrimp Breeding Oxygen
$17.95 Save $18.00 RRP: $35.95
Portable Filter Cubes Fish Tank Supplies Cube Shape Abs Quartz Activated Carbon Oxygen Supply 1Pcs
$7.95 Save $7.00 RRP: $14.95
Aquarium Fitler Media Mixing Bio Balls Filter Media Pond Bio Filter Media with Mesh Bag Filter Pads for Fish Tanks Aquariums
$9.95 Save $9.00 RRP: $18.95
4pcs Blue Filter Cartridges Aquarium Tortoise Tank Carbon Filter Element Replacement
$11.95 Save $21.00 RRP: $32.95
Aquarium Filter Socks 9 Inch Long 4 Inch Plastic Ring Saltwater Fish Tank Filter Bags 150um Ultra Fine Filtration White
$17.95
Stainless Steel Aquarium Filter Inflow Media Cover Micro Metal Mesh Shrimp Guard for Fish for Tank Filters 12mm/16mm I.D L
$18.95
Fish Tanks Filter Tube Aquarium Outlet Outflow Tube External Canister Filters Accessories Fits for Filter with 12mm Pipe Light Grey
$19.95
Set of 2 Aquarium Filter Pad for FreshWater and SaltWater FishTank Filter Cotton Filter Compatible Filter
$17.95
2pcs 360° Rotating Adapter Aquarium Duckbill Nozzle Fish Tank Water Outlet Tube with Aeration Port
$8.95
Impeller for Fluval 404, 405-110V, Impeller with Straight Fan Blades, Replacement Part
$10.95 Save $19.00 RRP: $29.95
Fish for Tank Filter System Surface Aquarium Skimmer Fish for Tank Oil Skimmer Aquarium Surface Skimmer Aquarium Filter
$15.95
Aquarium Filter Fish Tank Silent Water Pump Purification Circulation External Filter Increase Oxyge
$14.95 Save $3.00 RRP: $17.95
6 Aquarium Medium Charcoal Filter Cartridges,for Replacements Aqueon Quietflow Power 10
$14.95 Save $9.00 RRP: $23.95
Aquarium Filter Practical Fish Filter Biochemical Sponge Filter Air Filter Mini Multi-layer Filter for Small Tank
$11.95
Stainless Steel Aquarium Hose Adapter Fish Tank Water Hose Adapter Converter Hose Connector Fitting(12 to 16mm)
$14.95
Plastic Aquarium Fish Tank Divider Sheet Holder Heart Sucker Clip
$12.95 Save $14.00 RRP: $26.95