Fluval Gravel Vac Sizes:Medium - Large Designed as a more accurate

Designed as a more accurate alternative to chemical test kits

Crude Fat MIN 6%

Crude fat not less than 10

Crude Fiber: 1% Max

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Fluval Gravel Vac Sizes:Medium - Large Designed as a more accurateDescription Available in two sizes, the Fluval Gravel Vac is a multi substrate cleaner that effectively traps dirt and debris without removing gravel. Features an Easy Start siphon for quick routine maintenance, as well as a flow regulator to adjust the speed as you clean. A built in gravel guard is included to prevent clogging. Sizes S M: Ideal for aquariums with a depth of 20 50. 8cm M L: Ideal for aquariums with a depth of 24 61cm