Shark Ion Robot 720 vs 750 - Whats the DIfference? RV720 vs RV750

Help us purchase new vacuums to test: https://www.patreon.com/vacuumwars Shark 750 Amazon: https://www.amazon.com/Shark-Vacuum-Connectivity-Control-RV750/dp/B075JRB2Z9/ref=sr_1_1_sspa?s=home-garden&ie=UTF8&qid=1524009817&sr=1-1-spons&keywords=Shark+750+Amazon%3A&psc=1 Shark 720 Amazon: https://www.amazon.com/s/ref=nb_sb_noss?url=search-alias%3Dgarden&field-keywords=Shark+720+Amazon%3A