boyu by-28 water switch sand washing machine water exchanger

aquarium cleaning supplies switch aquarium fish tank aquarium Boyu with drain water exchanger sand washing device

Product Name: semi automatic switch water exchanger

Specification: one, the total length of 2.55M

Two, with switch! Flow control valve.

Three, equipped with 3 hose!

Four, is for the water Straw materials the foot.

Characteristic.

1: novel design, convenient and fast use.

2: the built-in filter, to prevent the juvenile water or sand aspiration cylinder.

Method of use:

1: the rapid sand washing into the fish tank.

2: the other a bucket on the compression spring, can be gently with the hand.

3: reduce intake to suck out the fish feces and food residue in the sand