Hey guess what – there's a reason Irobot designed them with three brushes.
LittleReadBooks 'n' More "LittleReadBooks 'n'..., Amazon
27 December 2014
Summary: More is not always better. There's a reason why the sweeping brush on roomba only has three arms. As I discovered after attaching this brush when my Roomba couldn't get past my rug and got stuck. Every single day. The arms break off way too easily too.
Does a great job. One thing i've noticed is because the ...
28 July 2014
Summary: longer and more arms than the OEM pieces. Does a great job. One thing i've noticed is because the arms are much longer and bend onto the ground is that in the kitchen it kicks up the floor mats, but my mats are old and starting to curl at the edges so it could just be mine setup.