iRobot R3 500 series 3 pack filter kit iRobot 6 days in the top 100 (10) Buy new: $15.99 $8.99 11 used & new from $8.25 (Ranking is updated hourly. Visit the Bestsellers in Kitchen & Dining list for authoritative information on this product’s current rank.)

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#3: iRobot R3 500 series 3 pack filter kit