Home Robot Vacuums Shark ION Robot RV720 Dual-Action Robot Vacuum (Refurb) $89.99 Robot Vacuums Shark ION Robot RV720 Dual-Action Robot Vacuum (Refurb) $89.99 By ARCOM - 10 June 2021 58 0 SHARE Facebook Twitter Go to the deal page: Shark ION Robot RV720 Dual-Action Robot Vacuum (Refurb) $89.99