Best Filter for Betta

SaleBestseller
EA Performance Hang-On The Back Power Filter - Up to 4 Gallons - for Desktop and Betta Aquariums - NOT Made in China
  • Our performance power filter are designed for nanos, betta aquariums, and small desktop aquariums up to 4 gallons.
  • The dual stage filtration design provides biological and mechanical filtration for an optimal aquatic environment.
  • Plug and play design for easy installation and simple maintenance.
  • Promote a healthy aquatic experience with our ultra efficient filtration system.
  • We are committed to bringing consumers the highest quality products for the most competitive prices. We value your support and want to provide 100% satisfaction, so please feel free to contact us if you're not 100% satisfied. Replacement cartridges are available on Amazon, search ASIN B00TA87EUW. LOW COST OF OWNERSHIP WITH EA PERFORMANCE CARTRIDGES! https://www.amazon.com/dp/B084Z74BDF?ref=myi_title_dp
Bestseller
Aqueon Betta Filters Natural Plant One Size
  • For small betta habitats like bowls and aquariums up to 3 gallons
  • Carbon and sponge cartridge should be replaced monthly for optimal performance
  • Air bubbles provided added environmental enrichment and oxygen in betta habitat
  • Requires air pump for operation (sold separately)
  • 90 Day Limited Warranty
Bestseller
hygger 2-5 Gallon Fish Tank Filter Air Driven Small Aquarium Bubbler Sponge Filter for Betta Fish Shrimp Tank (No Air Pump)
  • Ultra Quiet Betta Filter - this air-driven fish tank filter is a motor free filter, super quiet, can only hear the smoothing sound of bubble bursting in the water surface
  • Effective Filtration - Mechanical pre-filter sponge captures debris and activated carbon for clean, clear aquarium water. Mini white bubbler stone produces constant, soft bubbles to agitate water, slow flow is great for betta fish, fry and shrimp
  • Compact - Single small filter measures 4.1" x 0.8" x 7.6", recommend for 2-5 gallon fresh and salt water aquariums ; Dual filter measures 7" x 0.8" x 7.6", recommend for 6-10 gallon freshwater and saltwater aquariums
  • Single sponge filter kit comes with 1 filter+ 3 packs filter cartridges + 1 white air stone+ 1 hanging clip. Dual sponge filter kit comes with 2 filters+ 6 packs filter cartridges + 1 white air stone + 2 hanging clips. Replace filter cartridge every 2-4 weeks depends on how many fish you house
  • Easy to install - Connect aquarium filter with air tubing to air pump and ready to go (please note that 3/16 inch air tubing and air pump are excluded). Two suction cups and one hanger helps filter stays in place, no floating. Must be install vertically
Bestseller
Aqueon Betta Filters Cartridges, 2PK
  • Replacement carbon and sponge cartridge for Aqueon Betta Filters
  • Helps improve water quality and clarity resulting in a healthy betta home
  • For best results, replace cartridge once a month
  • Each pack contains 2 replacement cartridges
SaleBestseller
Aqueon Betta Filters Volcano One Size
  • For small betta habitats like bowls and aquariums up to 3 gallons
  • Carbon and sponge cartridge should be replaced monthly for optimal performance
  • Air bubbles provided added environmental enrichment and oxygen in betta habitat
  • Requires air pump for operation (sold separately)
  • 90 Day Limited Warranty
Bestseller
Penn-Plax Six (6) Replacement Filter Cartridges for The BT1 Betta Fish Tank Aquarium Kit 1.5 Gallon …
  • Made to precisely fit the filter used with the BT1 aquarium from Penn Plax
  • No need to cut or combine other filter media, this is the correct replacement cartridge for the Nu Wave Betta Tank Aquarium Kit
  • Ready-to-use; Easy Install
  • For best results replace cartridge every 6-8 weeks
Bestseller
Marina T100 Filter Cartridge, Replacement Aquarium Filter Media, 3-Pack, 13315
  • Replacement filter cartridges with a combination of carbon and zeolite
  • Chemical filter media removes pollutants and odors from aquarium water
  • Improves color and clarity of water and provides a healthy environment for your fish
  • Designed for use with all Marina 1 Gal. (3.7 L) aquariums including the Marina Pirate Aquarium Kit (13310) and Marina Mermaid Aquarium Kit (13311)
  • Includes 3 replacement filter cartridges
Bestseller
AQUANEAT Mini Sponge Filter, Small Aquarium Bio Filter, Quiet Foam Filter, Betta Fry Shrimp Nano Fish Tank Filter, up to 3 Gal with Airline Tubing
  • This sponge filter is super mini size, takes up a little room, perfect for use in 0.5-3 gallon fish tank
  • Dimension:1.5”D X3”H
  • Safe for fish: soft sponge material, traps floating debris and won't suck up your fish
  • Easy to set up & clean: simply install an airline into the unit and turn on the air pump, simply rinse and squeeze sponge in tank water
  • Package includes: 1 mini sponge filter ,40 inch airline tubing ,1 control valve
SaleBestseller
Lefunpets Biochemical Sponge Filter Breeding Fry Betta Shrimp Nano Fish Tank for Aquarium Fish Tank 5 Gal-25 Gal (Small for 5-10 Gal)
  • 【Perfect For Use】Sponge filters provide biological filtration, air powered, works great and for longer life. Warm Tips: If you think the sound is a little loud when sponge filter working, you can modify it by referring to the top reviews' guide below.
  • 【Soft Sponge Material】Unique cylindrical shape 6 vertical stripe sponge design, traps floating debris and won't suck up your fish.
  • 【Easy To Operate】 Using an air hose, connect one end to you air pump and the other end to this filter,and equipped with a check valve on air hose, to prevent water backflow and air pump damage due to power outage. It is a great way to clean and oxygenate your fish tanks.
  • 【Easy To Clean】All parts of the sponge filter are detachable so as to clean, simply squeeze the sponges in tank water.
  • 【Max Tank Size】 Fits for 5-10 Gallon freshwater or saltwater fish tank.
Bestseller
AQUARIUM FISH KINDS: 50 Best Aquarium Fish Species
  • Amazon Kindle Edition
  • Vagon, Viktor (Author)
  • English (Publication Language)
  • 82 Pages - 01/25/2021 (Publication Date)