| THIS WEEK ON SHARK TANK  Will Lori See Potential in this Innovative Water Filter? The founder of Hydroviv is hoping to lock down a deal with the queen of QVC. But does this water filter stand apart from its competition? Catch the sneak and watch the full episode tonight at 9P ET.  GUNNAR Isn't Your Normal Eyewear This entrepreneur wants to make eye strain a thing of the past with his innovative blue light glasses. Will he lock down a life-changing deal? Find out on Wednesday at 8P ET.  The Sharks Test Out a Phone Booth-Style Cubicle The Cubicall founder is in the Tank pitching phone booth-style cubicles. Is it the cubicle the world needs now more than ever?! Catch the sneak peek and don't miss this episode next Sunday at 10P ET.  
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