PVC encased air bar fits in a 3 foot tank resides underneath gravel or sand which diffuses air without noise and large bubbles of conventional air filters the system
controllable air valve which is made up of plastic which can be used as a extending air outletsby connection them together.
straight shape air valve which is a simple air valve, can be connected to extend the air line
elbow joint of diameter 16mm outside. Used to connect it with sumps or filters.
clear pastic u joints of 8mm diameter outside for a aquarium with wet or dry overflow boxes. Can be used as a replacement plumbing for an aquarium. It transports water to overlow boxes sumps and filters.