Fluval FX Spray Bar Kit, Aquarium Filter Water Aeration AccessoryBrand: Fluval Color: FX Features: Specifically designed for Fluval FX2, FX4, FX6 High Performance canister filters Increases the amount of oxygen in your tank for healthier fish and plants Distributes water evenly for delicate aquascapes and eliminates dead spots in your aquarium Attaches to your filter outlet with hose adapter (all attachments included), extendable from 25 55 inches (64 140 cm) Increases and decreases surface agitation depending on