Dophin Internal Amphibious Filters Model:FC-603 Does the set include backflow

Does the set include backflow protection

ensuring the ideal water temperature for your aquatic pets

Made from KONG all-natural red rubber

It's your reliable choice for top-quality water purification

Dophin Internal Amphibious Filters Model:FC-603 Does the set include backflowDophin Internal Amphibious Filters Dophin Internal Amphibious Filters are designed for filtering both fresh and marine water in aquariums, featuring a compact design and a replaceable carbon and sponge cartridge for biological filtration. Compact design Replaceable cartridge avoids wetting the hand Carbon & Sponge Cartridge A motor at bottom of the filter suitable for shallow water tank The sponge provides a permanent biological filtering system