Aquarium water changer -- A handy , flow rate 67L/min, drain 30L in 5 minutes,you can clean the aquarium easily and quickly. perfect for water changing and gravel cleaning. With on/off flow control tap design, it is easy and convenient to useAquarium Siphon Pump -- Made from good quality plastic material which could a long time use. Its flexible clear PVC hose transfer liquids and more faster. It wont collapse to block the water flow, it is not too stiff, easy to bend it into any position to fit for your useFish Tank Cleaning -- Suction cup with Intergrated gravel / fish strainer, specially designed for gravel cleaning. You can dig it right into the gravel, in mini-reef and aquatic plant aquariums, clean gravel bed while making a regular water change. Small vacuum cup makes cleaning around and under stones, wood and corals easyAquarium Siphon -- length 984inch, you can add extra hose to the faucet if need (extra hose not included). Come with extra bonus, Fish net made from durable ABS plastic. Net size:393X47in, NOTE: not for big fishesAquarium Cleaner -- Gravel cleaner with self priming design, no need to use your mouth to suck up water any more, it can also be used as siphon to transfer oil liquid for . NOTE: NOT for petrolHose Diameter: 07inch/18cmWater Inlet (Head part) Diameter: 236inch/6cmWater Outlet (Faucet) Diameter: 12cm/047inchGross Weight: 550gHow to use?1. Tear off the outer packaging2. Install the head part to the hose (tighten the screw joint), then put it into the fish tank3. Open the faucet and put it into a bucket4. Squeeze the cavity several times until the water automatically flows out5. Free your hands and you are donePlease Note 1. The outlet should be Lower than the water level of the inlet, so the fluids can automatically flow out.2. For Vehicles: only, Not suit for pumping Petrol colour:Blue + blackMaterial:Plastic + ABSPackage Contents:1 * Aquarium Cleaning Siphon 1 * mini fish netOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.