Fluval Gravel Vac Substrate Cleaner

Fluval Gravel Vac Substrate Cleaner Fluval 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: Small/Medium: For tanks up to a depth of 50cm Medium/Large: For tanks up to a depth of 60cm