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
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