Fish Supplies › Filter › Koi › refurbished no box filters only

Pump Pre-Filter Foam Box Helps Keep Pump Maintenance Down [Offset 8 Square] Foam Koi Fish Filter Submersible Prefilter Bio Sponge Foam Filter Media Aquariums Water Gardens

Off-set Hole - 8 Inch Square Helps stop the Koi Pump from Clogging Coarse grade foam Cuts Easy to any Required Shape Safe for Marine or Water Traps Particles debris Encourages Biological Filtration more

Pump Pre-Filter Foam Box Helps Keep Pump Maintenance Down [Offset 8 Square] Foam Koi Fish Filter Submersible Prefilter Bio Sponge Foam Filter Media Aquariums Water Gardens

Off-set Hole - 8 Inch Square Helps stop the Koi Pump from Clogging Coarse grade foam Cuts Easy to any Required Shape Safe for Marine or Water Traps Particles debris Encourages Biological Filtration more

1-inch Aquarium Fish Tank 2-Pack Filter Media High Density Gray Bio Ceramic Balls for Aquarium Filters Fresh Water Fish Tank Sea Water Marine Fish Tank Koi Pond and Else

Ball Diameter 1inch High Quality 2.7 lbs Per/bag Total 2bag/box. Remove ammonia nitrite vast surface area / porous internal structure results in superior efficiency Effectively increase the amount of oxygen dissolved in water. 100% aquarium safe... more

Aquarium Filter Media Porous 100pcs Bio Ceramic for Fresh Water Sea Water Aquarium Fish Tank and Koi Pond (3DS Nano Ceramic)

Each Box: 100pcs Media size: 6.3x1.4x1.4 Inch Durable for 5 to 10 years. Remove ammonia nitrite vast surface area / porous internal structure results in superior efficiency Effectively increase the amount of oxygen dissolved in water. 100% aquarium... more

1-inch Aquarium Fish Tank 2-Pack Filter Media High Density Yellow Bio Ceramic Balls for Aquarium Fresh Water Fish Tank Sea Water Marine Fish Tank Sump Tank Koi Pond and Else

Ball Diameter 1inch High Quality 2.7lbs Per/bag Total 2bag/box. Remove ammonia nitrite vast surface area / porous internal structure results in superior efficiency Effectively increase the amount of oxygen dissolved in water. 100% aquarium safe... more

6-inch Long Large Aquarium Fish Tank Filter Media 100pcs High Density Yellow Bio Ceramic Blocks For Aquarium Fresh Water Fish Tank Sea Water Marine Fish Tank Sump Tank Koi Pond and else

Each Box: 100pcs Media Bar Size: 6 x1.4x1.4 Inch Remove ammonia nitrite vast surface area / porous internal structure results in superior efficiency Effectively increase the amount of oxygen dissolved in water. 100% aquarium safe non-metallic ceramic... more

Aquarium Filter Media Porous 100pcs Bio Ceramic for Fresh Water Sea Water Aquarium Fish Tank and Koi Pond (Ceramic)

Each Box: 100pcs Media size: 6.3x1.4x1.4 Inch Durable for 2 years. Remove ammonia nitrite vast surface area / porous internal structure results in superior efficiency Effectively increase the amount of oxygen dissolved in water. 100% aquarium safe... more