Features: brand new and high quality Use for aquarium draining water. Easily use: just put the nozzle and hose in your aquarium for tank, squeeze the pump bulb several times and the water will start flowing. Safe for fish: filter screen prevent sucking up your fish, excellent for small size fish, such as betta, dwarf cichlid, guppy, glofish, goldfish etc. Two sizes: (About) S-hose length 110 for cm/43.31 inches, tube length 24 for cm/9.45 inches, nozzle for head 6x4 for cm/ 2.36x1.57 inches;L-hose length 153 for cm/60.24 inches, tube length 50 for cm/19.69inches, nozzle for head 12x4.5 for cm/ 4.72x1.77 inches. Safe Material: Made from plastic. Harmless to fishes & No peculiar smell. Specifications: Material: Plastic Color: Blue+White Size (Approx.): S-Total Length 140cm/55.12in, Hose Length 110cm/43.31in, Tube Length 24cm/9.45in, Nozzle 6x4cm/2.36x1.57in; L-Total Length 215cm/84.65in, Hose Length 153cm/60.24in, Tube Length 50cm/19.69in, Nozzle 12x4.5cm/4.72x1.77in Weight (Approx.): S-50g L-100g Package Includes: 1 x Aquarium Water Changer (S/L) note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!