12.6 oz. (1)

7.2 oz. (1)

4.2 oz. (1)

1.9 oz. (1)

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For Aquariums up to 20 gallons (1)

For Aquariums up to 30 gallons (1)

For Aquariums up to 50 gallons (1)

For Aquariums up to 70 gallons (1)

Pack of 1 filter (1)

Pack of 3 filters (1)