Review on 2 Sets of Mountain God Replacement Roller Brushes - Main Brush Kit Accessories Compatible with iRobot 🏔️ Roomba i7 i7+ i7 Plus E5 E6 E7 Vacuum Cleaner - Replenishment Brush Cleaning Parts for Enhanced Performance by Jason Glass

There's a little problem with them, but they go down from four stars to five. (and more) because of the money saved. First, the tiny protrusions on each side of the filter are a millimeter too tall to fit into the designated slot in the outlet. No problem! Just use a single-edged blade (or a sharp knife) to snip off the burrs a bit. two seconds; Very easy. Everything else about them is exactly the same and you just saved a bunch of money!