Fluval Foam Filter Block for Spec, Flex and Evo Aquariums

Filter Compatibility: Compatible with Fluval Series Canister Filters 06, 07, FX, and more. Water Clarification: ClearMax is a premium-grade resin chemical filter media that absorbs phosphate, nitrite, and nitrate. The filter media makes aquarium maintenance easier and reduces odors. Ideal Environment: ClearMax helps create crystal clear water, making ideal conditions for fish and plants in your tank. Versatile: This filter media is suitable for freshwater and saltwater aquariums. Replace monthly for best results. Pack Includes: Each ClearMax pack includes three 100-gram nylon bags.