TERA PUMP Genuine Aquarium Fish Tank Gravel Sand Cleaner Long Nozzle Water Changer Flow Controller BPA Free TRFTCLN WARNING: Beware of Counterfeit Sellers like SOJITEKS / Terapump Direct / Tekzz / Marketing Allegiance LLC / Kingiht's Necessities / Kabble, They are a CHINESE Seller who sells countefeit Low Quality pumps Brand New Packaging to combat counterfeit sellers! This is the ORIGINAL Aquarium Cleaner by TERAPUMP. Packaging now includes model number and Brand! Don't be fooled by Blank Generic Products. Two Types of Nozzles: Shorter Nozzle is for drainage & The Longer Nozzle is for cleaning fish leftover food, droppings and fine gravel / Takes the Waste out while Replacing the Water; Will not Hurt any Aquarium Life when in use Patented Unique Pump Filter Allows dirt and Sand to be Discharged along with water Hand Pump to Initiate the Siphon to Start Transferring Liquid from One Receptacle to Another Manually operated liquid transfer pump Portable, light weight and heavy-duty material Patented unique pump filter allows dirt in sand to be discharged along with water Doesn&#039;t hurt any Aquarium Life when in Use Removes waste while replacing the water Easily Empty Containers. User-friendly siphon work Place the <span class="a-text-bold"><span class="a-text-italic">intake nozzle</span></span> end into the aquarium and attach the it (using a <span class="a-text-bold"><span class="a-text-italic">suction cup</span></span>) to the glass. Squeeze the <span class="a-text-bold"><span class="a-text-italic">operation bulb</span></span> five to seven times. Water will start to flow out of the tank (aquarium), allowing draining and cleaning. For smooth flow, water level of the aquarium tank must he higher than the end of <span class="a-text-bold"><span class="a-text-italic">discharge hose</span></span>