18″ x 12″. High quality nets. Last long. Good for filter media. Has a string locking mechanism not to let your filter media spill off in the filter.
manufactured with plastic, has a structure of cross which will allow to have 2 outputs of the air line with one input and one can control the air pressure with it.
y shape air valve helps to use one air pump for 2 aquariums which means we can have 2 outlets with 1 input of the air pump
straight shape air valve which is a simple air valve, can be connected to extend the air line
clear pastic u joints of 16mm 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.