AQUAPAPA 1.25" Biochemical Bio Balls Filter Media in Mesh Bag for Aquarium Fish Pond Waterfall Fountain, 300 PCS in 1 Bag

• Ready-to-use filter media for fresh and saltwater. The size of the ball: 1.25” in diameter. The size of the bag: 17"x 13".
  
• The unique design of these balls help create turbulent flow which promote gas exchange and increase dissolve oxygen level in water . Our bio balls are 100% polypropylene making them a safe reliable bio filter media for fresh and saltwater.
  
• Easy to maintain. In the event of excessive buildup, you may gently rinse with water from an established aquarium, if desired.
  
• 300 balls in a free mesh bag. Flat dimensions (with balls): 15"x 12"x 3.3"

These 1.25” diameter Polypropylene Bio balls are suitable for your canister filter or fish pond filtration. They are good to use in both freshwater and saltwater.