Fluval Gravel Vac Substrate Cleaner Size:Medium/Large Its shapes are perfectly round

Its shapes are perfectly round or oval and are a brilliant gold pebble with black

prevents digging in at edges

Ideal for dogs of all ages

Do not microwave

Watch your fish live their best life in Bikini Bottom along with Spongebob

Fluval Gravel Vac Substrate Cleaner Size:Medium/Large Its shapes are perfectly roundFluval Gravel Vac Multi Substrate Cleaner uses a simple pump motion to begin siphoning grit, grime and waste from your aquarium gravel. The thumb operated flow regulator allows you adjust speed as you clean, while a gravel guard prevents clogging while you syphon waste from your aquarium. Sizes Specifications: Small Medium: For tanks up to a depth of 50cm Medium Large: For tanks up to a depth of 60cm