Premium 6x4mm Black Silicone CO2 Hose for Aquariums
Ultra-flexible black silicone tubing with reinforced inner layer for kink-free CO2 and airline applications. High-grade PU material ensures zero air permeability and maximum durability. Precision-engineered 6mm outer diameter and 4mm inner diameter for optimal gas flow control. Resistant to algae buildup and maintains clarity for long-term use. Ideal for CO2 systems, air pumps, and protein skimmers in freshwater and marine aquariums. Non-toxic, odorless, and safe for sensitive aquatic life. Exclusive wholesale pricing for bulk orders—global shipping with guaranteed lowest rates. Stock up on professional-grade aquarium supplies today.