Filters

Under $20 Aquarium Filters

Shop the best prices on 13,134 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 13,134
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
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
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
Fish Tank Protein Skimmer Aquarium Protein Skimmer Saltwater Filter Internal Tank Filter for Small
$16.95 Save $2.00 RRP: $18.95
Dryer Lint Filter Sponge Replacement for Grundig GTN38250HGCW MGCB Models, 3 Pack
$20.95 Save $9.00 RRP: $29.95
Water Purification Tablets Fast Aquarium Water Filter Fish Supplies Potable Aqua Tablets Natural Fish Tank Accessories 
$13.95
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
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
Aquarium Fountain Pump Set, 4Pcs Mini Submersible DC 3-5V Water Pumps for Fish Tanks
$15.95 Save $78.05 RRP: $94.00
Foam Filter for Philips PowerPro Duo Aqua FC6162 FC6168 FC6171 FC6172 FC6404 FC6409 / DEXP DP-800H /
$12.95 Save $9.00 RRP: $21.95
6 Pcs Cf1 Filter 3 Month Service Kit, Fish Tank Filter Cartridges, Fish Tank Filter for Cf1 Interna
$11.95
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
New High Grade Silicone Grease Lubricant Super O-Lube O-Ring Lubrication for O-Ring Maintenance of Aquarium Filter Tank
$15.95 Save $68.05 RRP: $84.00
Aquarium Biological Filter Bio Balls for Water Purification Odor and Fishy Smell-Good
$10.95 Save $13.00 RRP: $23.95
Aquarium Filter Cover Stainless Steel Inlet and Outlet Protective Mesh for Fish ShrimpsInternal Diameter 12mm
$16.95 Save $11.00 RRP: $27.95
Portable Self‑Priming Water Inlet Filter Replacement for Water Sprayer Misting Humidification System
$10.95 Save $4.00 RRP: $14.95
Aquarium Filters Media Bags with Zipper for Fish Tank 10Pcs Black Bags
$19.95 Save $12.00 RRP: $31.95
Aquarium Biochemical Sponge Filter Multifunctional Fish Tank Sponge Filter for Fish Tank Aquarium
$13.95 Save $13.00 RRP: $26.95
Aquarium Air Driven Filter Fish Tank Plastic Pneumatic Filter for Cleaning and Increasing Oxygen
$17.95 Save $18.00 RRP: $35.95
10 Pcs Aquarium Plastic Sucker Clip Durable Fish Tank Divider Sheet Holder for Aquariums Fish Tanks
$13.95 Save $13.00 RRP: $26.95
Aquarium Filter Mini Sponge Replacement Media for Sponge Filters Biochemical Foam for Freshwater Saltwater Fish Tanks L
$14.95
5 Pieces Aquarium Filter Bag Mesh Bags with Zipper for Bio Balls Strong Filtration Fish for Tank Durable Reusable Filter 20*30
$15.95
4-Pack Dryer Sponge Filters for Whirlpool, Bauknecht, Yalo (HX 481010354757)
$13.95 Save $37.00 RRP: $50.95
8PCS Sponge Filter Sponge Foam Filter for Pet Dog Cat Fountain
$6.95
15PCS Aquarium Mesh Media Filter Bags, Nylon Media Filter Mesh Bags with Zipper (for Particulate Car
$14.95 Save $2.00 RRP: $16.95
1 Set Mini Mute Fish Tank Oxygen Pump Plastic Aerator Pump USB Aquarium Air Pump
$12.95 Save $51.05 RRP: $64.00
30pcs Portable Fish Tank Pre-Filter Sponge Roll Cartridge Replacement Filters for Aquarium-FCY
$2.95 Save $4.00 RRP: $6.95
3X Mini AC 110V 3W Submersible Water Pump Aquarium Fountain Air Fish Tank Pond Water Pump US Plug 110v
$18.95