Aluminum Aquarium Tubes ; These are Aluminum Tubes specially produced for the use of plant systems and calcium systems in freshwater and saltwater aquariums. Chrome plated, specially manufactured flywheel valve with aluminum butterfly. It is compatible with all standard (domestic / imported) regulators.
Output thread size: W21.8 x 1/14 ″ Safety valve: 190 Bar Filling rate: 0.67kg / lt Tube test pressure: 212 bar Operating pressure: 167.9 Bar